KAFKA-15153: Use Python 'is' instead of '==' to compare for None (#13964)

Reviewers: Divij Vaidya <diviv@amazon.com>

Co-authored-by: d00791190 <dinglan6@huawei.com>

release_notes.py

@@ -44,7 +44,7 @@ def get_issues(jira, query, **kwargs):
     results = []
     startAt = 0
     new_results = None
-    while new_results == None or len(new_results) == MAX_RESULTS:
+    while new_results is None or len(new_results) == MAX_RESULTS:
         new_results = jira.search_issues(query, startAt=startAt, maxResults=MAX_RESULTS, **kwargs)
         results += new_results
         startAt += len(new_results)

tests/kafkatest/tests/client/consumer_test.py

@@ -334,7 +334,7 @@ class OffsetValidationTest(VerifiableConsumerTest):
 
         # stop the partition owner and await its shutdown
         consumer.kill_node(partition_owner, clean_shutdown=clean_shutdown)
-        wait_until(lambda: len(consumer.joined_nodes()) == (self.num_consumers - 1) and consumer.owner(partition) != None,
+        wait_until(lambda: len(consumer.joined_nodes()) == (self.num_consumers - 1) and consumer.owner(partition) is not None,
                    timeout_sec=self.session_timeout_sec*2+5,
                    err_msg="Timed out waiting for consumer to close")
 

tests/kafkatest/tests/connect/connect_test.py

@@ -79,7 +79,7 @@ class ConnectStandaloneFileTest(Test):
         parameterizations to test different converters (which also test per-connector converter overrides), schema/schemaless
         modes, and security support.
         """
-        assert converter != None, "converter type must be set"
+        assert converter is not None, "converter type must be set"
         # Template parameters. Note that we don't set key/value.converter. These default to JsonConverter and we validate
         # converter overrides via the connector configuration.
         if converter != "org.apache.kafka.connect.json.JsonConverter":