Summary

An immediate userwarning on import:

python -W always -c "import matplotlib"

lib/matplotlib/_fontconfig_pattern.py:71: UserWarning: warn_multiple_tokens_in_named_alternation: setting results name 'properties*' on MatchFirst expression will return a list of all parsed tokens in an And alternative, in prior versions only the first token was returned; enclose contained argument in Group

The pyparsing version installed is 3.0.9

Proposed fix

No response