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How to fix "zsh: command not found: python" error? (macOS Monterey 12.3, python 3.10, Atom

Time:03-26

Since I got Monterey 12.3 update (not sure it's related though), I have been getting this error when I try to run my python code in the terminal: python not found error

I am using python 3.10.3, Atom IDE, and run the code in terminal via atom-python-run package (which used to work perfectly fine). The settings for the package go like this: atom-python-run-settings

The which command in terminal returns the following (which is odd because earlier it would return something to just which python): which python

I gather the error occurs because the terminal calls for python instead of python3, but I am super new to any coding and have no idea why it started now and how to fix it. Nothing of these has worked for me:

  • I deleted and then reinstalled python from python.org.
  • I tried alias python='python3' (which I saw in one of the threads here).
  • I tried export PATH="/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin" (which I found here).
  • To reset zsh and paths, I deleted all associated hidden files in /local/users/ and ran the terminal once again.
  • I deleted evetyrhing and reinstalled macos and python only to get the same error.

CodePudding user response:

OK, after a couple of days trying, this is what has worked for me:

  1. I reinstalled Monterey (not sure it was essential, but I just figured I had messed with terminal and $PATH too much).
  2. I installed python via brew rather than from the official website. It would still return command not found error.
  3. I ran echo "alias python=/usr/bin/python3" >> ~/.zshrc in terminal to alias python with python3.

Problem solved.

As far as I get it, there is no more pre-installed python 2.x in macOS as of 12.3 hence the error. I still find it odd though that atom-python-run would call for python instead of python3 despite the settings.

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