The other problem that Matthieu pointed out (but which is unrelated to the initial bug report) is fixed by the following two patches for snakemake-6 and snakemake-7:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57414 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57415 Cheers, Konrad