mik-laj commented on a change in pull request #6109: [AIRFLOW-5490] Fix
incorrect None comparison
URL: https://github.com/apache/airflow/pull/6109#discussion_r324482268
##########
File path: airflow/www/security.py
##########
@@ -340,8 +340,8 @@ def clean_perms(self):
pvms = (
sesh.query(sqla_models.PermissionView)
.filter(or_(
- sqla_models.PermissionView.permission == None, # noqa pylint:
disable=singleton-comparison
- sqla_models.PermissionView.view_menu == None, # noqa pylint:
disable=singleton-comparison
+ sqla_models.PermissionView.permission is None, # noqa pylint:
disable=singleton-comparison
Review comment:
Are you sure? SQL Alchemy behaves differently when comparing variable. This
is not used to compare types in Python, but creates a query for SQL Alchemy.
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