style: fix whitespaces

kafka/common.py

@@ -69,14 +69,18 @@ class ErrorMapping(object):
 #   Exceptions  #
 #################
 
+
 class BufferUnderflowError(Exception):
     pass
 
+
 class ChecksumError(Exception):
     pass
 
+
 class ConsumerFetchSizeTooSmall(Exception):
     pass
 
+
 class ConsumerNoMoreData(Exception):
     pass

kafka/conn.py

@@ -3,8 +3,10 @@ import socket
 import struct
 from threading import local
 
+
 log = logging.getLogger("kafka")
 
+
 class KafkaConnection(local):
     """
     A socket connection to a single Kafka broker