macOS Big Sur python3 cannot import numpy due to polyfit error
问题 update from Jan 2021: I performed a clean install of Big Sur in Jan 2021, and upgrade pip to latest version using python3 -m pip install --upgrade pip --user , and installed numpy without issues, and without the error message below. original question from Nov 2020 I'm using macOS big sur on 2019 macbook pro. I'm able to install numpy using python3 -m pip install numpy --user . Note I do not have brew; I'm just using the python3 from the Xcode command line tools. I've seen this error reported