Building wheel for Pillow (setup.py) ... error

[fpcarva]

When I run pip install -e mugen in anaconda I recive this message:

Building wheel for Pillow (setup.py) ... error

"The headers or library files could not be found for zlib,
a required dependency when compiling Pillow from source."

[scherroman]

Hey @fpcarva!

Not sure what's causing that exactly, but it may be related to a bad pip version? I just updated the Pillow version to 8.2.0 to deal with some security vulnerability reported by dependabot, so you may want to try upgrading your pip as well and try again. For reference I was able to do a working clean install with pip install -e mugen in a python 3.7 conda environment with pip 21.0.1 and conda 4.3.30.

If you're still having issues let me know your OS/OS version, conda version (if you're using it), python version, and pip version for reference