# setuptools.extern.packaging.requirements.InvalidRequirement: One of the parsed requirements in `extras_require[win32]` looks like a valid environment marker: 'sys_platform == "win32"'
sed -i '/win32 =/d' setup.cfg
# setuptools.extern.packaging.requirements.InvalidRequirement: One of the parsed requirements in `extras_require[objc]` looks like a valid environment marker: 'sys_platform == "darwin"'