Enable ruff PLW0127 rule (#57298)

Author: jscheffl

airflow-core/src/airflow/settings.py

@@ -19,7 +19,7 @@
 
 import atexit
 import functools
-import json
+import json as json_lib
 import logging
 import os
 import sys
@@ -122,7 +122,7 @@
 AsyncSession: Callable[..., SAAsyncSession]
 
 # The JSON library to use for DAG Serialization and De-Serialization
-json = json
+json = json_lib
 
 # Display alerts on the dashboard
 # Useful for warning about setup issues or announcing changes to end users

providers/common/sql/tests/unit/common/sql/operators/test_sql.py

@@ -362,7 +362,7 @@ def test_fail_all_checks_check(self, monkeypatch):
             ("X", "min", -1),
             ("X", "max", 20),
         ]
-        operator = operator = self._construct_operator(monkeypatch, self.valid_column_mapping, records)
+        operator = self._construct_operator(monkeypatch, self.valid_column_mapping, records)
         with pytest.raises(AirflowException):
             operator.execute(context=MagicMock())
 

pyproject.toml

@@ -587,6 +587,8 @@ extend-select = [
     "TID25", # flake8-tidy-imports rules
     "E", # pycodestyle rules
     "W", # pycodestyle rules
+    # Warning (PLW) re-implemented in ruff from Pylint
+    "PLW0127", # Self-assignment of variable
     # Per rule enables
     "RUF006", # Checks for asyncio dangling task
     "RUF015", # Checks for unnecessary iterable allocation for first element