I am using centos linux.
I had python 2.6 with django and now i upgraded to python 2.7.
Python 2.6 is located in /usr/lib/python2.6.
Python 2.7 is located i
Try printing sys.path to see what's in your path. Django need to be in one of the dirs listed. Example on Windows:
>>> import sys
>>> for p in sys.path: print p
C:\Python27\Lib\idlelib
C:\Windows\system32\python27.zip
C:\Python27\DLLs
C:\Python27\lib
C:\Python27\lib\plat-win
C:\Python27\lib\lib-tk
C:\Python27
C:\Python27\lib\site-packages
>>>