fix pep8 on admin article ./opps/article/admin.py:41:44: E231 missing whitespace after ',' ./opps/article/admin.py:53:61: W291 trailing whitespace
fix pep8 on admin article
./opps/article/admin.py:41:44: E231 missing whitespace after ','
./opps/article/admin.py:53:61: W291 trailing whitespace

Fix pull request #29 @algmelo

opps/opps,jeanmask/opps,opps/opps,williamroot/opps,YACOWS/opps,jeanmask/opps,williamroot/opps,YACOWS/opps,williamroot/opps,YACOWS/opps,williamroot/opps,jeanmask/opps,YACOWS/opps,opps/opps,opps/opps,jeanmask/opps