fix pep8 templatetags image_obj, E226 missing whitespace around arithmetic operator
fix pep8 templatetags image_obj, E226 missing whitespace around arithmetic operator

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