I upgraded from Ubuntu 18.04 to Ubuntu 20.04. Python3.6 disappeared and python3.8 was automatically installed. I am now having trouble using numpy and pandas with python3.8. Attempts to install them are met with a message that they are already installed. However, running python3.8 software that attempts to import them fails with a message that they are not there. I happen to still have a version of python 3.5, which works fine with numpy and pandas. How do I convince python 3.8 that numpy and pandas are really there? I have tried to uninstall numpy and pandas with pip3, thinking that I could fix everything by reinstalling them, but the uninstall command is met with a message that they are not there. I also happen to have a version of python 3.9, and it also has difficulty finding numpy and pandas. There is something strange with my installation of python3.8 and I would like to get it fixed. Any suggestions would be helpful.
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Looks like you are trying to install with pip3. The problem might be that pip3 is installing for python3.5. I think you want it for python3.8. For installing a library, say numpy with python3.8, do this:
python3.8 -m pip install numpy
or if you want to install it for all your users
sudo python3.8 -m pip install numpy
This should do the trick.
tavish
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