* installing *source* package ‘CASSIA’ ...
** this is package ‘CASSIA’ version ‘0.1.0’
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
Using existing virtualenv: cassia_env
Using virtual environment 'cassia_env' ...
Warning in system2(python, c("-c", shQuote(command)), stdout = TRUE, stderr = TRUE) :
  running command ''/tmp/check-CRAN-incoming-hornik/.virtualenvs/cassia_env/bin/python' -c 'import sys; import pip; sys.stdout.write(pip.__version__)' 2>&1' had status 1
Warning in value[[3L]](cond) :
  Virtualenv setup failed: the condition has length > 1
** testing if installed package can be loaded from final location
Using existing virtualenv: cassia_env
Using virtual environment 'cassia_env' ...
Warning in system2(python, c("-c", shQuote(command)), stdout = TRUE, stderr = TRUE) :
  running command ''/tmp/check-CRAN-incoming-hornik/.virtualenvs/cassia_env/bin/python' -c 'import sys; import pip; sys.stdout.write(pip.__version__)' 2>&1' had status 1
Warning in value[[3L]](cond) :
  Virtualenv setup failed: the condition has length > 1
** testing if installed package keeps a record of temporary installation path
* DONE (CASSIA)