* using log directory ‘/srv/hornik/tmp/CRAN_pretest/einops.Rcheck’
* using R Under development (unstable) (2025-08-27 r88724)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.7 (3+b1)
    Debian flang-new version 19.1.7 (3+b1)
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* checking for file ‘einops/DESCRIPTION’ ... OK
* this is package ‘einops’ version ‘0.2.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [4s/6s] NOTE
Maintainer: ‘Qile Yang <qile.yang@berkeley.edu>’

New submission

Possibly misspelled words in DESCRIPTION:
  Einops (15:5)
  Rogozhnikov (16:52)
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘einops’ can be installed ... [3s/3s] OK
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [0s/0s] OK
* checking whether the package can be loaded with stated dependencies ... [0s/0s] OK
* checking whether the package can be unloaded cleanly ... [0s/0s] OK
* checking whether the namespace can be loaded with stated dependencies ... [0s/0s] OK
* checking whether the namespace can be unloaded cleanly ... [0s/0s] OK
* checking loading without being on the library search path ... [0s/0s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [4s/4s] OK
* checking Rd files ... [0s/0s] OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... [0s/0s] OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [2s/2s] OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... [19s/19s] ERROR
  Running ‘spelling.R’ [0s/0s]
  Running ‘testthat.R’ [19s/19s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(einops)
  
  Attaching package: 'einops'
  
  The following object is masked from 'package:base':
  
      repeat
  
  > 
  > # if (Sys.getenv("TORCH_TEST", unset = "0") == "1") {
  > testthat::test_check("einops")
  [ FAIL 36 | WARN 0 | SKIP 0 | PASS 269 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-compiler-backends.R:54:5'): backend$stack_on_zeroth_dimension() works for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:4) at test-compiler-backends.R:54:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-compiler-backends.R:64:5'): backend$add_axis() and backend$tile() works for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(2, 3, 5)) at test-compiler-backends.R:64:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-compiler-backends.R:89:5'): backend$reshape() works for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(2:3) at test-compiler-backends.R:89:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-parse_shape.R:116:5'): parse_shape works for [torch_tensor] ────
  Error: In parse_shape - Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
       ▆
    1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
    2.   └─base::eval(substituted_code, envir = eval_env)
    3.     ├─testthat::expect_identical(...) at test-parse_shape.R:116:5
    4.     │ └─testthat::quasi_label(enquo(object), label, arg = "object")
    5.     │   └─rlang::eval_bare(expr, quo_get_env(quo))
    6.     └─einops::parse_shape(create_seq_tensor(c(4, 4)), "height width")
    7.       └─base::tryCatch(...)
    8.         └─base (local) tryCatchList(expr, classes, parentenv, handlers)
    9.           └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   10.             └─value[[3L]](cond)
  ── Error ('test-parse_shape.R:188:5'): parse_shape works on central ellipsis for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(3:6) at test-parse_shape.R:188:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, '...->...') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a b c d e-> a b c d e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a b c d e ...-> ... a b c d e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a b c d e ...-> a ... b c d e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, '... a b c d e -> ... a b c d e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a ... e-> a ... e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a ... -> a ... ') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:23:9'): rearrange(x, 'a ... c d e -> a (...) c d e') returns x for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:23:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> (a b) c d e') is equivalent to rearrange(x, 'a b ... -> (a b) ... ') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> a b (c d) e') is equivalent to rearrange(x, '... c d e -> ... (c d) e') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> a b c d e') is equivalent to rearrange(x, '... -> ... ') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> (a b c d e)') is equivalent to rearrange(x, '... ->  (...)') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> b (c d e) a') is equivalent to rearrange(x, 'a b ... -> b (...) a') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:35:9'): rearrange(x, 'a b c d e -> b (a c d) e') is equivalent to rearrange(x, 'a b ... e -> b (a ...) e') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:5) at test-rearrange.R:35:9
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:46:5'): rearrange() is consistent for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(shape) at test-rearrange.R:46:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:102:5'): rearrange() works for [torch_tensor] ──────
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(10 * 1:4) at test-rearrange.R:102:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-rearrange.R:154:5'): rearrange() works on lists for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(2:6) at test-rearrange.R:154:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> ', 'min') is equivalent to reduce(x, '... ->  ', 'min') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> ', 'max') is equivalent to reduce(x, '... ->  ', 'max') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> ', 'sum') is equivalent to reduce(x, '... ->  ', 'sum') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (e a)', 'min') is equivalent to reduce(x, 'a ... e -> (e a)', 'min') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (e a)', 'max') is equivalent to reduce(x, 'a ... e -> (e a)', 'max') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (e a)', 'sum') is equivalent to reduce(x, 'a ... e -> (e a)', 'sum') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> d (a e)', 'min') is equivalent to reduce(x, ' a b c d e ... -> d (a e) ', 'min') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> d (a e)', 'max') is equivalent to reduce(x, ' a b c d e ... -> d (a e) ', 'max') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> d (a e)', 'sum') is equivalent to reduce(x, ' a b c d e ... -> d (a e) ', 'sum') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (a b)', 'min') is equivalent to reduce(x, '... c d e  -> (...) ', 'min') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (a b)', 'max') is equivalent to reduce(x, '... c d e  -> (...) ', 'max') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-reduce.R:14:13'): reduce(x, 'a b c d e -> (a b)', 'sum') is equivalent to reduce(x, '... c d e  -> (...) ', 'sum') for [torch_tensor] ──
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(10, 20, 30, 40, 50)) at test-reduce.R:14:13
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-repeat.R:28:5'): repeat() works for [torch_tensor] ─────────────
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(c(2, 3, 5)) at test-repeat.R:28:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  ── Error ('test-repeat.R:41:5'): repeat() works on lists for [torch_tensor] ────
  <std::runtime_error/C++Error/error/condition>
  Error in `torch_tensor_cpp(data, dtype, device, requires_grad, pin_memory)`: Lantern is not loaded. Please use `install_torch()` to install additional dependencies.
  Backtrace:
      ▆
   1. └─base::eval(substituted_code, envir = eval_env) at tests/testthat/helper-test_in_all_tensor_types_that.R:52:13
   2.   └─base::eval(substituted_code, envir = eval_env)
   3.     └─einops:::create_seq_tensor(2:6) at test-repeat.R:41:5
   4.       └─backend$create_tensor(1:prod(dims), dims, ...) at tests/testthat/helper-test_in_all_tensor_types_that.R:47:17
   5.         └─torch::torch_tensor(array(values, dim = dims), ...)
   6.           └─Tensor$new(data, dtype, device, requires_grad, pin_memory)
   7.             └─methods$initialize(NULL, NULL, ...)
   8.               └─torch:::torch_tensor_cpp(...)
  
  [ FAIL 36 | WARN 0 | SKIP 0 | PASS 269 ]
  Error: Test failures
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [8s/8s] OK
* checking PDF version of manual ... [4s/4s] OK
* checking HTML version of manual ... [1s/1s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR, 1 NOTE