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Pip does not recognize Cython

I just installed pip and Python via homebrew on a new Mac OS installation.

First of all, my pip does not install dependencies at all, which forces me to re-run the "installation tables" 3 times and every time it tells me the dependency, and I install it, and then restart it again. Is this expected behavior?

Secondly, he does not accept the installation of Cython, which he installed himself back:

$ pip show cython --- Name: Cython Version: 0.21 Location: /usr/local/lib/python2.7/site-packages Requires:

But

 $ pip install tables Downloading/unpacking tables Downloading tables-3.1.1.tar.gz (6.7MB): 6.7MB downloaded Running setup.py (path:/private/var/folders/r_/9cc9_ldj7g35cqnfql52hqt80000gn/T/pip_build_excuvator/tables/setup.py) egg_info for package tables * Using Python 2.7.8 (default, Aug 24 2014, 21:26:19) * Found numpy 1.9.0 package installed. * Found numexpr 2.4 package installed. .. ERROR:: You need Cython 0.13 or greater to compile PyTables! Complete output from command python setup.py egg_info: * Using Python 2.7.8 (default, Aug 24 2014, 21:26:19) * Found numpy 1.9.0 package installed. * Found numexpr 2.4 package installed. .. ERROR:: You need Cython 0.13 or greater to compile PyTables!
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1 answer

Upgrading Cython from the Git repository upstream will solve the problem.

  pip install --upgrade git+git://github.com/cython/ cython@master
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Source: https://habr.com/ru/post/975911/

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