Make UnknownTopicOrPartitionError retriable error

Author: tvoinarovskyi

kafka/errors.py

@@ -109,6 +109,7 @@ class UnknownTopicOrPartitionError(BrokerResponseError):
     message = 'UNKNOWN_TOPIC_OR_PARTITION'
     description = ('This request is for a topic or partition that does not'
                    ' exist on this broker.')
+    retriable = True
     invalid_metadata = True