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Python 3.7 + PIL How can I change pixel shading to equivalent alpha transparency level 0-255 - Stack Overflow
Can't install Pillow on virtual environment with Python 3.7 · Issue #3979 · python-pillow/Pillow · GitHub
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The headers or library files could not be found for zlib, a required dependency when compiling Pillow from source · Issue #4242 · python-pillow/ Pillow · GitHub
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