Fix bug in TemplateContextMIddleware
Fix bug in TemplateContextMIddleware

AttributeError: 'TemplateResponse' object has no attribute 'context_data'
YACOWS/opps,opps/opps,opps/opps,opps/opps,jeanmask/opps,YACOWS/opps,jeanmask/opps,jeanmask/opps,opps/opps,YACOWS/opps,williamroot/opps,williamroot/opps,YACOWS/opps,jeanmask/opps,williamroot/opps,williamroot/opps