Remove unused imports and variable, plus some style fixes in soc.views.models.group module.
Patch by: Pawel Solyga
Reviewed by: to-be-reviewed
#!/bin/sh
NOSE_WITH_DOCTEST=t
export NOSE_WITH_DOCTEST
NOSE_DOCTEST_EXTENSION=txt
export NOSE_DOCTEST_EXTENSION
#NOSE_DETAILED_ERRORS=t
#export NOSE_DETAILED_ERRORS
nosetests $*