This is issue #5004 <https://github.com/pyinstaller/pyinstaller/issues/5004>. We’ve fixed it (I think) but need to fix something else before releasing PyInstaller 4.0 which will contain the fix. For now just pip install matplotlib==3.2.2.
-- You received this message because you are subscribed to the Google Groups "PyInstaller" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/pyinstaller/0f553d84-002c-41ea-8e9b-7e6c2dc8c389n%40googlegroups.com.
