Fix pep8 issues

sshuttle/cmdline.py

-import sys
 import re
-import socket
 import sshuttle.helpers as helpers
 import sshuttle.client as client
 import sshuttle.firewall as firewall
 import sshuttle.hostwatch as hostwatch
 import sshuttle.ssyslog as ssyslog
-from sshuttle.options import parser
+from sshuttle.options import parser, parse_ipport6, parse_ipport4
 from sshuttle.helpers import family_ip_tuple, log, Fatal
 
+
 def main():
     opt = parser.parse_args()
 

sshuttle/options.py

@@ -2,7 +2,7 @@ import re
 import socket
 from argparse import ArgumentParser, Action, ArgumentTypeError as Fatal
 from sshuttle import __version__
-from sshuttle.helpers import family_ip_tuple
+
 
 # 1.2.3.4/5 or just 1.2.3.4
 def parse_subnet4(s):