Fun with Pip and Python on macOS 12.3 Monterey

I'm tinkering with a tool that uses pip and python, and was seeing: -

zsh: /usr/local/bin/pip: bad interpreter: /usr/bin/python: no such file or directory

repeatedly e.g.

pip --version                                                                                                                                                                           

zsh: /usr/local/bin/pip: bad interpreter: /usr/bin/python: no such file or directory

pip 22.0.4 from /Users/hayd/.pyenv/versions/3.10.0/lib/python3.10/site-packages/pip (python 3.10)

I've got Python 3.1 installed via Homebrew, using PyEnv: -

which python                                                                                                                                                                            

/Users/hayd/.pyenv/shims/python

python --version                                                                                                                                                                        

Python 3.10.0

as per an earlier post: -

Fun with Python and PyEnv on macOS

I checked using brew doctor but nothing jumped off the page at me.

head -n1 /usr/local/bin/pip

#!/usr/bin/python

ls -al /usr/bin/python

ls: /usr/bin/python: No such file or directory

I then moved pip 

mv /usr/local/bin/pip /usr/local/bin/pip.old

and tested: -

which pip

/Users/hayd/.pyenv/shims/pip

and now we're happy: -

pip --version

pip 22.0.4 from /Users/hayd/.pyenv/versions/3.10.0/lib/python3.10/site-packages/pip (python 3.10)

So, in other words, in the pre-PyEnv days, I had pip pointing at the older Apple-supplied Python 2.7, which has long since been deprecated/removed.

Now, post the mv command, it's pointing at pip via PyEnv, which is nice.

Thanks, as ever, to StackOverflow: -

pip installation /usr/local/opt/python/bin/python2.7: bad interpreter: No such file or directory