* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’
* installing *source* package ‘fastai’ ...
** this is package ‘fastai’ version ‘2.2.2’
** package ‘fastai’ successfully unpacked and MD5 sums checked
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
Warning in normalizePath(python_home) :
  path[1]="/tmp/check-CRAN-regular-hornik/cache/R/reticulate/uv/cache/builds-v0/.tmpU33EAU/bin": No such file or directory
Error in python_config_impl(python) : 
  Error running '/tmp/check-CRAN-regular-hornik/cache/R/reticulate/uv/cache/builds-v0/.tmpU33EAU/bin/python': No such file.
** testing if installed package can be loaded from final location
Warning in normalizePath(python_home) :
  path[1]="/tmp/check-CRAN-regular-hornik/cache/R/reticulate/uv/cache/builds-v0/.tmpsH8wZh/bin": No such file or directory
Error in python_config_impl(python) : 
  Error running '/tmp/check-CRAN-regular-hornik/cache/R/reticulate/uv/cache/builds-v0/.tmpsH8wZh/bin/python': No such file.
** testing if installed package keeps a record of temporary installation path
* DONE (fastai)