Fix org bug and clean code

organizations/utils.py

@@ -5,10 +5,9 @@ from seaserv import get_org_id_by_repo_id
 def access_org_repo(request, repo_id):
     """
     Check whether user can view org repo.
-    Arguments:
-    - `request`: request must has org dict.
-    - `repo_id`: repo id
     """
+    if not request.user.org:
+        return False
     cur_org_id = request.user.org['org_id']
     org_id = get_org_id_by_repo_id(repo_id)
     return True if cur_org_id == org_id else False