cannot compile on OS X Sierra about gr

[jheinen]

In the meantime, you can pip install gr.

[nilsbecker]

thanks, i just tried, but i get a certificate error:

pip install gr
Collecting gr
  Using cached gr-1.0.0.tar.gz
Requirement already satisfied: numpy>=1.6 in ./Apps/anaconda/lib/python2.7/site-packages (from gr)
Building wheels for collected packages: gr
  Running setup.py bdist_wheel for gr ... error
  Complete output from command /Users/nbecker/Apps/anaconda/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/bh/0mc1q9cn5ps48h60dygx_lhm00011n/T/pip-build-PdP4xG/gr/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /var/folders/bh/0mc1q9cn5ps48h60dygx_lhm00011n/T/tmpTCIlDIpip-wheel- --python-tag cp27:
  running bdist_wheel
  running build
  running build_py
  error: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590)>

pip 9.0.1 from /Users/nbecker/Apps/anaconda/lib/python2.7/site-packages (python 2.7)

[nilsbecker]

this is working for me now, after clearing all pip caches