Building font cache with Pyinstaller executable

Been working on software that we are turning into a distributable executable using Pyinstaller. I’m getting a bunch of messages from matplotlib saying it is building the font cache. I tried using the “set_loglevel(“critical”)” to suppress the messages, but they seem to be coming from modules that don’t use or even import matplotlib. Any suggestions on how to suppress this issue? It doesn’t seem to affect how the software runs, but it clutters up the stdout and would be nice to get rid of.

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