R Under development (unstable) (2024-01-23 r85822 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(stressor)
> 
> test_check("stressor")
[ FAIL 0 | WARN 0 | SKIP 6 | PASS 82 ]

══ Skipped tests (6) ═══════════════════════════════════════════════════════════
• Python is not available (6): 'test-create_virtualenv.R:5:3',
  'test-create_virtualenv.R:11:3', 'test-cv.R:23:3', 'test-mlm.R:2:3',
  'test-mlm.R:18:3', 'test-predict_mlm_stressor.R:2:3'

[ FAIL 0 | WARN 0 | SKIP 6 | PASS 82 ]
> 
> proc.time()
   user  system elapsed 
   2.56    0.46   17.40