Fix errors from style changes

mininet/cli.py

@@ -46,8 +46,8 @@ from mininet.log import lg
 class CLI( object ):
     "Simple command-line interface to talk to nodes."
 
-    cmds = [ '?', 'help', 'nodes', 'net', 'sh', 'ping_all', 'exit',
-            'ping_pair', 'iperf', 'iperf_udp', 'intfs', 'dump' ]
+    cmds = [ '?', 'help', 'nodes', 'net', 'sh', 'pingAll', 'exit',
+            'pingPair', 'iperf', 'iperfUdp', 'intfs', 'dump' ]
 
     def __init__( self, mininet ):
         self.mn = mininet