Why won't pip install the current version of a package?

Question

I can't get pip to install the current version of pydot (1.0.28). Though yolk and PyPi both report this version as the available, current one,

pip -U pydot

gives me

Requirement already up-to-date: pydot in /Library/Python/2.7/site-packages
Requirement already up-to-date: pyparsing in /Library/Python/2.7/site-packages (from pydot)
Requirement already up-to-date: setuptools in /Library/Python/2.7/site-packages (from pydot)

forcing the current version with

pip -U pydot==1.0.28

gives me

Downloading/unpacking pydot==1.0.28
  Could not find a version that satisfies the requirement pydot==1.0.28 (from versions: 1.0.2)
  Some externally hosted files were ignored (use --allow-external to allow).
Cleaning up...
No distributions matching the version for pydot==1.0.28

and even

pip -U --allow-external pydot pydot==1.0.28

gives me

Downloading/unpacking pydot==1.0.28
  Could not find a version that satisfies the requirement pydot==1.0.28 (from versions: 1.0.2)
  Some insecure and unverifiable files were ignored (use --allow-unverified pydot to allow).
Cleaning up...
No distributions matching the version for pydot==1.0.28

It might look like pydot is hosted externally - as pip says. — Maciej Gol, Apr 04 '14 at 17:19
Relevant: http://stackoverflow.com/questions/15951748/pydot-and-graphviz-error-couldnt-import-dot-parser-loading-of-dot-files-will — 0 _, Feb 11 '15 at 07:07

score 1 · Answer 1 · edited Sep 29 '14 at 14:27

1

Try this:

pip install --allow-unverified pydot pydot==1.0.28

edited Sep 29 '14 at 14:27

orome

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answered Sep 29 '14 at 14:23

Antony

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Why won't pip install the current version of a package?

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