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django - pip install: How to force a specific package version

I'm trying to install Django 1.4.3, but when I execute pip install, pip keeps installing Django 1.5 version instead 1.4.3

sudo pip install -I Django==1.4.3

It returns:

Downloading/unpacking Django==1.4.3
  Running setup.py egg_info for package Django

    warning: no previously-included files matching '__pycache__' found under directory '*'
    warning: no previously-included files matching '*.py[co]' found under directory '*'
=== >>>> Requested Django==1.4.3, but installing version 1.5 <<<< ====
Installing collected packages: Django
  Found existing installation: Django 1.5
    Uninstalling Django:
      Successfully uninstalled Django
  Running setup.py install for Django

    warning: no previously-included files matching '__pycache__' found under directory '*'
    warning: no previously-included files matching '*.py[co]' found under directory '*'
    changing mode of /usr/local/bin/django-admin.py to 755
Successfully installed Django
Cleaning up...

but if I execute pip freeze, it keeps showing

Django==1.5

What am I doing wrong?

Thank you

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1 Answer

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This could/should/can be helped by clearing the build dir for Django in pip. There is a bug for this, since version 1.1 see here for details

You can start checking for these folders here if you're on OS X or unix like systems:

~/.pip 
/tmp/pip-build-root (or pip-build-$USER, if you aren't running pip as root).

This is if you haven't specified a new build folder when you installed the first version of Django.

Good luck!


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