fix variable name

Author: squirrelo

qiita_pet/handlers/study_handlers/edit_handlers.py

@@ -199,7 +199,7 @@ def post(self, study=None):
             # Check study and user access
             the_study = self._check_study_exists_and_user_access(study)
             # If the study is not sandbox, we use the short version
-            if study.status != 'sandbox':
+            if the_study.status != 'sandbox':
                 form_factory = StudyEditorForm
 
         # Get the form data from the request arguments