fixed the code style

Author: oschulzSam

logstash_async/constants.py

@@ -26,7 +26,7 @@ class Constants:
     # maximum number of events to be updated within one SQLite statement
     FORMATTER_RECORD_FIELD_SKIP_LIST = [
         'args', 'asctime', 'created', 'exc_info', 'exc_text', 'filename', 'funcName',
-        'id', 'levelname', 'levelno', 'lineno', 'message','module',
+        'id', 'levelname', 'levelno', 'lineno', 'message', 'module',
         'msecs', 'msg', 'name', 'pathname', 'process',
         'processName', 'relativeCreated', 'stack_info', 'thread', 'threadName']
     # fields to be set on the top-level of a Logstash event/message, do not modify this

logstash_async/formatter.py

@@ -134,7 +134,8 @@ def value_repr(value):
 
         for key, value in record.__dict__.items():
             if key not in constants.FORMATTER_RECORD_FIELD_SKIP_LIST:
-                if self._extra_prefix and key not in constants.FORMATTER_LOGSTASH_MESSAGE_FIELD_LIST:
+                if self._extra_prefix \
+                        and key not in constants.FORMATTER_LOGSTASH_MESSAGE_FIELD_LIST:
                     key = self._extra_prefix + "." + key
                 fields[key] = value_repr(value)
         return fields