lint: clean up W391 rule.
MODIFY
contrib_bots/bot_lib.py
contrib_bots/bot_lib.py
@@ -91,4 +91,3 @@ def run_message_handler_for_bot(lib_module, quiet, config_file):
logging.info('starting message handling...')
client.call_on_each_message(handle_message)
-

MODIFY
contrib_bots/bots/john/john.py
contrib_bots/bots/john/john.py
@@ -128,4 +128,3 @@ class JohnHandler(object):
))
handler_class = JohnHandler
-

lint: clean up PEP-8 W391 rule.