I have seen a few related questions, and I've tried all of their recommendations:

  • I'm using anaconda, so I downgraded from 3.7 to 3.6
  • I upgraded pip using curl https://bootstrap.pypa.io/get-pip.py | sudo python
  • I installed the latest version of openssl (1.1.1)
  • I updated all Anaconda libraries
  • I am connected to the Internet (obviously, since I'm posting here) and not behind a firewall.

And yet, every time I run "pip install " or "pip install ==" I get the following error:

ERROR: Could not find a version that satisfies the requirement (from versions: none) ERROR: No matching distribution found for

I'm on a Mac, Mojave v10.14.4

I recently installed prodigy.ai, which seemed to replace a bunch of packages with (perhaps) older versions, but I still cannot figure out how to fix this issue. The one thing I haven't tried is uninstalling Anaconda and reinstalling it.

Thanks for any help on this.

  • Sorry -- when I run "pip install package" or "pip install package=version"... – jsidell Apr 26 '19 at 20:07
  • I tried de-installing and re-installing Anaconda... no joy. – jsidell Apr 26 '19 at 20:07
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    What do python --version and pip --version output? – hoefling Apr 27 '19 at 21:10
  • (base) Jeffs-MacBook-Pro-2:RDC jeffsidell$ python --version Python 3.7.3 (base) Jeffs-MacBook-Pro-2:RDC jeffsidell$ pip --version pip 19.0.3 from /Users/jeffsidell/anaconda3/lib/python3.7/site-packages/pip (python 3.7) – jsidell Apr 29 '19 at 12:24
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    Ok, so these two match; can you give an example of package not being installed? E.g. if you issue pip install --force-reinstall wheel, will the command succeed? – hoefling Apr 29 '19 at 13:36

Yes, it happened to me also.

A common case in this procedure is to check if you have not made a typo when entering the package name.

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