Lazy import matplotlib.pyplot to prevent lockfile errors #1653
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Summary: Lazy import matplotlib to avoid lockfile issues with some of the font files when importing captum library in multithreaded environments eg: ``` [2025-10-01T04:02:13.219-07:00] TimeoutError: Lock error: Matplotlib failed to acquire the following lock file: [2025-10-01T04:02:13.219-07:00] /var/twsvcscm/.cache/matplotlib/fontlist-v330.json.matplotlib-lock [2025-10-01T04:02:13.219-07:00] This maybe due to another process holding this lock file. If you are sure no [2025-10-01T04:02:13.219-07:00] other Matplotlib process is running, remove this file and try again. ``` Differential Revision: D83707766
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@ethanbwaite has exported this pull request. If you are a Meta employee, you can view the originating Diff in D83707766. |
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This pull request has been merged in faac087. |
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Summary:
Lazy import matplotlib to avoid lockfile issues with some of the font files when importing captum library in multithreaded environments eg:
Differential Revision: D83707766