python django No module named 'psycopg2' error
Did you install dev packages? assuming that you have already installed psycopg2
if not and if you are on ubuntu do this sudo apt-get install libpq-dev python-dev
After completing the installation of python djnago perfectly. When running a command
"python manage.py runserver" 
getting an error like  

raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e) django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named 'psycopg2'