python requirements; use Requirement already satisfied (use --upgrade to upgrade): tweepy==2.2 in /Library/Python/2.7/site-packages (from -r requirements.txt (line 1))
Downloading/unpacking nltk==2.0.4 (from -r requirements.txt (line 2))
  Running setup.py egg_info for package nltk
    Downloading http://pypi.python.org/packages/source/d/distribute/distribute-0.6.21.tar.gz
    Extracting in /tmp/tmpjlBi4s
    Now working in /tmp/tmpjlBi4s/distribute-0.6.21
    Building a Distribute egg in /Users/VB/dev/vb/polls2014/twitter545/build/nltk
    /Users/VB/dev/vb/polls2014/twitter545/build/nltk/distribute-0.6.21-py2.7.egg

    warning: no previously-included files matching '*~' found anywhere in distribution
Requirement already satisfied (use --upgrade to upgrade): PyYAML>=3.09 in /Library/Python/2.7/site-packages (from nltk==2.0.4->-r requirements.txt (line 2))
Installing collected packages: nltk
  Found existing installation: nltk 2.0.1rc1
    Uninstalling nltk:
      Successfully uninstalled nltk
  Running setup.py install for nltk

    warning: no previously-included files matching '*~' found anywhere in distribution
Successfully installed nltk
Cleaning up... on ubuntu or mac x