trying to install numpy in python3.9 and getting error in preparing wheel metadata in windows 10. I did not checked using virtual environment [duplicate]
问题 This question already has answers here : Installing numpy with pip on windows 10 for python 3.7 (3 answers) Closed last month . When trying to install numpy I am getting the following error: C:\Users\lenovo>pip install numpy Collecting numpy Using cached numpy-1.19.2.zip (7.3 MB) Installing build dependencies ... done Getting requirements to build wheel ... done Preparing wheel metadata ... error ERROR: Command errored out with exit status 1: command: 'c:\users\lenovo\appdata\local\programs