Source: mdtraj Followup-For: Bug #1150834 Control: tags -1 ftbfs This is evidently a bug in python3-pyparsing, mdtraj.
The mdtraj pyproject.toml specifies "pyparsing!=3.3.3" pyparsing needs to be fixed https://github.com/mdtraj/mdtraj/issues/2190 https://github.com/pyparsing/pyparsing/issues/672 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1150875

