python - ImportError: No module named scipy on Mac

Question

It's been so hard to find solution for this problem.

I've been reading on the internet and found this questions on Stackoverflow:

Solution #1 and Solution #2 with no results.

When I use:

pip install scipy

It outputs

Requirement already satisfied (use --upgrade to upgrade): scipy in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python

Then I do

pip install scipy --updrage

And it outputs

OSError: [Errno 1] Operation not permitted: 
'/var/folders/y3/r_j97_g91494mm7r9th0zycm0000gn/T/pip-paR57c-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/numpy-1.8.0rc1-py2.7.egg-info'

I even try to install using port:

sudo port install py27-numpy py27-scipy py27-matplotlib py27-ipython +notebook py27-pandas py27-sympy py27-nose

Same result, it says it's been installed but when I try to run my Python project, prints the same error.

Hope you guys can help me.

Have you tried `sudo pip reinstall scipy` or `sudo pip install -U scipy` — Scott Stainton, Sep 04 '16 at 18:48
Outputs `ERROR: unknown command "reinstall" - maybe you meant "install"` — Alex, Sep 04 '16 at 18:50
Outputs `The directory '/Users/alex/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.` — Alex, Sep 04 '16 at 18:54
what @MattDMo said, `sudo -H pip uninstall scipy` then `sudo -H pip install scipy` — Scott Stainton, Sep 04 '16 at 19:26
Also, why did you tag this `homebrew` when you're using MacPorts? — MattDMo, Sep 04 '16 at 19:27
To get rid of the operation no permitted issue you can try `sudo pip install --user --upgrade scipy` — RaviU, Mar 30 '18 at 19:08

score 0 · Answer 1 · answered Sep 05 '16 at 07:30

I believe that your issue may be how you are running your code - OS-X can have both the system python and a user python installation.

From the command prompt, (the same one that pip tells you that you already have scipy installed), try running your script, which I will assume is called your_script.py with:

python your_script.py

And it should work, however if you run:

your_script.py

it may not work.

I don't have a Mac to experiment on but you should do some reading on this issue online - here

python - ImportError: No module named scipy on Mac

1 Answers1