pip ignores pyproject.toml
pip ignores pyproject.toml Question: [build-system] requires = ["wheel", "setuptools>=18.0", "cython>=0.29.0", "numpy>=1.20"] I package via python setup.py sdist bdist_wheel, then twine upload –repository testpypi dist/*, and pip install -i https://test.pypi.org/simple/ mypkg==0.1.0 into a fresh virtual Anaconda environment, which starts installing numpy-1.9.3 that’s clearly below 1.20, and yields File "c:python38libsite-packagessetuptoolsmsvc.py", line 328, in msvc14_gen_lib_options if LegacyVersion(np.__version__) < …