fix reconnect_backoff_max_ms default config bug in KafkaProducer (#1352)
fix reconnect_backoff_max_ms default config bug in KafkaProducer (#1352)


mumrah/kafka-python,dpkp/kafka-python,scrapinghub/kafka-python,ohmu/kafka-python,Aloomaio/kafka-python,dpkp/kafka-python,Yelp/kafka-python,ohmu/kafka-python,scrapinghub/kafka-python,Aloomaio/kafka-python,wikimedia/operations-debs-python-kafka,mumrah/kafka-python,Yelp/kafka-python,wikimedia/operations-debs-python-kafka,DataDog/kafka-python