[Windows 8 Python 2.7.9]Unable to install modules via pip -

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i python newbie trying install packages via pip. changed path c:\python27\scripts in advanced system settings , typed pip in cmd, e.g. pip install pylab. however, after package being cleaned up, long red message pop sth similar follows, exception: traceback (most recent call last):

(some context)

storing debug log failure in c:\users\username\pip\pip.log

and when write "import pylab" in python 2.7.9 shell, message shows up:

traceback (most recent call last): file "", line 1, in import pylab importerror: no module named pylab

may tell me what's wrong , how can fix can install , import modules in python?


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