use select.select without instance bounding (#949)
use select.select without instance bounding (#949)

berkerpeksag/selectors34@6128e06
dpkp/kafka-python,mumrah/kafka-python,DataDog/kafka-python,scrapinghub/kafka-python,Aloomaio/kafka-python,Aloomaio/kafka-python,Yelp/kafka-python,dpkp/kafka-python,Yelp/kafka-python,wikimedia/operations-debs-python-kafka,mumrah/kafka-python,wikimedia/operations-debs-python-kafka,ohmu/kafka-python,scrapinghub/kafka-python,ohmu/kafka-python