conda channel Terms of Service error

[xgirouxb]

Hello, I've tried running reticulate::install_miniconda() and end up with the same error as below. I've also tried installing miniconda as well as installing manually, specifying the path to conda in .Rprofile b ut I end up where I started when I try and create an environment. Could this somehow be related to scikit-learn/scikit-learn#31773 ?

reticulate::conda_create()
#> + "C:/Users/xgirouxb/AppData/Local/r-miniconda/condabin/conda.bat" create --yes --name r-reticulate "python=3.10" --quiet -c conda-forge

#> CondaToSNonInteractiveError: Terms of Service have not been accepted for the following channels. Please accept or remove them before proceeding:
#>     • https://repo.anaconda.com/pkgs/main
#>     • https://repo.anaconda.com/pkgs/r
#>     • https://repo.anaconda.com/pkgs/msys2
#> 
#> To accept a channel's Terms of Service, run the following and replace `CHANNEL` with the channel name/URL:
#>     ‣ conda tos accept --override-channels --channel CHANNEL
#> 
#> To remove channels with rejected Terms of Service, run the following and replace `CHANNEL` with the channel name/URL:
#>     ‣ conda config --remove channels CHANNEL

#> Error: Error creating conda environment 'r-reticulate' [exit code 1]

^{Created on 2025-07-29 with reprex v2.1.1}

Session info

sessionInfo()
#> R version 4.5.0 (2025-04-11 ucrt)
#> Platform: x86_64-w64-mingw32/x64
#> Running under: Windows 11 x64 (build 22631)
#> 
#> Matrix products: default
#>   LAPACK version 3.12.1
#> 
#> locale:
#> [1] LC_COLLATE=English_Canada.utf8  LC_CTYPE=English_Canada.utf8   
#> [3] LC_MONETARY=English_Canada.utf8 LC_NUMERIC=C                   
#> [5] LC_TIME=English_Canada.utf8    
#> 
#> time zone: America/Toronto
#> tzcode source: internal
#> 
#> attached base packages:
#> [1] stats     graphics  grDevices utils     datasets  methods   base     
#> 
#> loaded via a namespace (and not attached):
#>  [1] digest_0.6.37     fastmap_1.2.0     Matrix_1.7-3      xfun_0.52        
#>  [5] lattice_0.22-6    reticulate_1.43.0 rappdirs_0.3.3    glue_1.8.0       
#>  [9] knitr_1.50        htmltools_0.5.8.1 png_0.1-8         rmarkdown_2.29   
#> [13] lifecycle_1.0.4   cli_3.6.5         grid_4.5.0        reprex_2.1.1     
#> [17] withr_3.0.2       compiler_4.5.0    rstudioapi_0.17.1 tools_4.5.0      
#> [21] evaluate_1.0.3    Rcpp_1.0.14       yaml_2.3.10       jsonlite_2.0.0   
#> [25] rlang_1.1.6       fs_1.6.6

[t-kalinowski]

Hmm, I am able to run this without any TOS requirements on macOS. I wonder if this is a windows specific issue.

This succeeds without error for me:

reticulate::miniconda_uninstall()
reticulate::install_miniconda()
reticulate::conda_create()

[mingdeyu]

Got the same issue on a Linux system.

[mingdeyu]

@t-kalinowski I got several issues about this TOS breaking the installing process recently on both windows and Linux systems. Would you mind exploring this? Many thanks!

[bodkan]

@mingdeyu In case this helps, here's what I found by investigating the problem so far. It appears to run reach much more widely in the conda landscape than I initially expected (I also had automated installation workflows breaking because of this). A couple of relevant links:

pytorch/pytorch#158438
scikit-learn/scikit-learn#31773

In my R packages, I basically only use code to fetch a Python interpreter in the background and setup dedicated virtual environments using reticulate (and none of that is intended to be exposed to the user), but until the problem is fixed on the conda side (and it does indeed appear to be regarded to be a bug), this is an intermediate solution that's worked for me:

system(paste(reticulate::conda_binary(), "tos accept --override-channels --channel https://repo.anaconda.com/pkgs/main"))
system(paste(reticulate::conda_binary(), "tos accept --override-channels --channel https://repo.anaconda.com/pkgs/r"))

Credit to @timothee-bacri here.

Hope this helps at least a little bit.

EDIT:

A simpler workaround is this (taken from here):

Sys.setenv(CONDA_PLUGINS_AUTO_ACCEPT_TOS = "yes")