Flake8: fix F841 assigned but never used

test/unittest_views.py

@@ -15,7 +15,7 @@ class BoostrapTheMainTemplateTC(CubicWebTC):
     def test_valid_xhtml_error(self):
         valid = self.content_type_validators.get('text/html', XMLValidator)()
         with self.admin_access.web_request() as req:
-            page = valid.parse_string(self.vreg['views'].main_template(req, 'error-template'))
+            valid.parse_string(self.vreg['views'].main_template(req, 'error-template'))
 
 
 if __name__ == '__main__':