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I am having difficulty importing and using any python module with Python 2. I am able to import and use numpy and scipy in my code with no problem, but anything downloaded or available on the Internet, I cannot manage to use. I am currently trying to use "rebound" for example: http://rebound.readthedocs.org/en/latest/

I typed pip install rebound into my Mac Terminal. It tries to download it, saying

Downloading rebound

then

Running setup.py install for rebound ... error

and a bunch of file paths and then:

error: option --single-version-externally-managed not recognized

Does anyone have any suggestions for how to properly import these modules?

pp_
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user6132685
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  • You might want to look at http://stackoverflow.com/questions/14296531/what-does-error-option-single-version-externally-managed-not-recognized-ind Are you using an old version of pip? Try typing `pip --version` in the console. – snakecharmerb Mar 31 '16 at 18:24

2 Answers2

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Are you using virtualenv? If not, you'll need to sudo pip install.

John Chang
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Perhaps try prepending sudo to your pip install rebound

sudo pip install rebound
hamiltoncw
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