[ONOS-7039] [ONOS-7044] Fix PEP8 Warnings in TestON

Change-Id: Ied79ff9caff5487a6df50466307f757468d7ca3a
diff --git a/TestON/tests/SCPF/SCPFintentRerouteLat/SCPFintentRerouteLat.py b/TestON/tests/SCPF/SCPFintentRerouteLat/SCPFintentRerouteLat.py
index 285e12d..41a3408 100644
--- a/TestON/tests/SCPF/SCPFintentRerouteLat/SCPFintentRerouteLat.py
+++ b/TestON/tests/SCPF/SCPFintentRerouteLat/SCPFintentRerouteLat.py
@@ -1,5 +1,5 @@
 """
-Copyright 2015 Open Networking Foundation (ONF)
+Copyright 2015 Open Networking Foundation ( ONF )
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -8,7 +8,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,7 +18,6 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
-
 # SCPFintentRerouteLat
 """
 SCPFintentRerouteLat
@@ -26,24 +25,23 @@
     - Test Algorithm:
         1. Start Null Provider reroute Topology
         2. Using Push-test-intents to push batch size intents from switch 1 to switch 7
-        3. Cut the link between switch 3 and switch 4 (the path will reroute to switch 8)
+        3. Cut the link between switch 3 and switch 4 ( the path will reroute to switch 8 )
         4. Get the topology time stamp
-        5. Get Intent reroute(Installed) time stamp from each nodes
+        5. Get Intent reroute( Installed ) time stamp from each nodes
         6. Use the latest intent time stamp subtract topology time stamp
     - This test will run 5 warm up by default, warm up iteration can be setup in Param file
     - The intent batch size will default set to 1, 100, and 1000, also can be set in Param file
     - The unit of the latency result is milliseconds
 """
-
-
 class SCPFintentRerouteLat:
+
     def __init__( self ):
         self.default = ''
 
     def CASE0( self, main ):
         import imp
         import os
-        '''
+        """
         - GIT
         - BUILDING ONOS
             Pull specific ONOS branch, then Build ONOS ono ONOS Bench.
@@ -51,7 +49,7 @@
             test env. We want Jenkins jobs to pull&build for flexibility to handle
             different versions of ONOS.
         - Construct tests variables
-        '''
+        """
         try:
             from tests.dependencies.ONOSSetup import ONOSSetup
             main.testSetUp = ONOSSetup()
@@ -115,11 +113,10 @@
         main.testSetUp.evnSetupConclusion( stepResult )
         main.commit = main.commit.split( " " )[ 1 ]
 
-
     def CASE1( self, main ):
-        '''
+        """
             clean up test environment and set up
-        '''
+        """
         import time
 
         main.maxNumBatch = 0
@@ -239,7 +236,8 @@
                         main.startLine[ i ] = timestamp
                         main.log.info( "Timestamp of last LINK_REMOVED event on node {} is {}".format( i + 1,
                                                                                                        main.startLine[ i ] ) )
-                if skip: continue
+                if skip:
+                    continue
 
                 # calculate values
                 topologyTimestamps = main.intentRerouteLatFuncs.getTopologyTimestamps( main )
diff --git a/TestON/tests/SCPF/SCPFintentRerouteLat/dependencies/intentRerouteLatFuncs.py b/TestON/tests/SCPF/SCPFintentRerouteLat/dependencies/intentRerouteLatFuncs.py
index d9d0271..d91f09e 100644
--- a/TestON/tests/SCPF/SCPFintentRerouteLat/dependencies/intentRerouteLatFuncs.py
+++ b/TestON/tests/SCPF/SCPFintentRerouteLat/dependencies/intentRerouteLatFuncs.py
@@ -1,37 +1,39 @@
-'''
+"""
 The functions for intentRerouteLat
 
-'''
+"""
 import numpy
 import time
 import json
 
+
 def _init_( self ):
     self.default = ''
 
+
 def sanityCheck( main, linkNumExpected, flowNumExpected, intentNumExpected ):
-    '''
+    """
     Sanity check on numbers of links, flows and intents in ONOS
-    '''
+    """
     attemps = 0
     main.verify = main.FALSE
     linkNum = 0
     flowNum = 0
     intentNum = 0
     while attemps <= main.verifyAttempts:
-        time.sleep(main.verifySleep)
+        time.sleep( main.verifySleep )
         summary = json.loads( main.Cluster.active( 0 ).CLI.summary( timeout=main.timeout ) )
-        linkNum = summary.get("links")
-        flowNum = summary.get("flows")
-        intentNum = summary.get("intents")
+        linkNum = summary.get( "links" )
+        flowNum = summary.get( "flows" )
+        intentNum = summary.get( "intents" )
         if linkNum == linkNumExpected and flowNum == flowNumExpected and intentNum == intentNumExpected:
-            main.log.info("links: {}, flows: {}, intents: {}".format(linkNum, flowNum, intentNum))
+            main.log.info( "links: {}, flows: {}, intents: {}".format( linkNum, flowNum, intentNum ) )
             main.verify = main.TRUE
             break
         attemps += 1
     if not main.verify:
-        main.log.warn("Links or flows or intents number not as expected")
-        main.log.warn("links: {}, flows: {}, intents: {}".format(linkNum, flowNum, intentNum))
+        main.log.warn( "Links or flows or intents number not as expected" )
+        main.log.warn( "links: {}, flows: {}, intents: {}".format( linkNum, flowNum, intentNum ) )
         # bring back topology
         bringBackTopology( main )
         if main.validRun >= main.warmUp:
@@ -39,6 +41,7 @@
         else:
             main.validRun += 1
 
+
 def bringBackTopology( main ):
     main.log.info( "Bring back topology " )
     main.Cluster.active( 0 ).CLI.pushTestIntents( main.ingress,
@@ -46,20 +49,20 @@
                                                   main.batchSize,
                                                   offset=1,
                                                   options="-w",
-                                                  timeout=main.timeout)
+                                                  timeout=main.timeout )
     main.Cluster.active( 0 ).CLI.purgeWithdrawnIntents()
     main.Cluster.active( 0 ).CLI.setCfg( main.nullProviderCfg,
                                          "deviceCount",
-                                         value=0)
+                                         value=0 )
     main.Cluster.active( 0 ).CLI.setCfg( main.nullProviderCfg,
                                          "enabled",
-                                         value="false")
+                                         value="false" )
     main.Cluster.active( 0 ).CLI.setCfg( main.nullProviderCfg,
                                          "deviceCount",
-                                         value=main.deviceCount)
+                                         value=main.deviceCount )
     main.Cluster.active( 0 ).CLI.setCfg( main.nullProviderCfg,
                                          "enabled",
-                                         value="true")
+                                         value="true" )
     main.Cluster.active( 0 ).CLI.balanceMasters()
     time.sleep( main.setMasterSleep )
     if main.Cluster.numCtrls > 1:
@@ -69,10 +72,11 @@
                                                  main.Cluster.active( 0 ).ipAddress )
     time.sleep( main.setMasterSleep )
 
+
 def getLogNum( main, nodeId ):
-    '''
+    """
     Return the number of karaf log files
-    '''
+    """
     try:
         logNameList = main.ONOSbench.listLog( main.Cluster.active( nodeId ).ipAddress )
         assert logNameList is not None
@@ -81,13 +85,14 @@
             return 2
         return 1
     except AssertionError:
-        main.log.error("There is no karaf log")
+        main.log.error( "There is no karaf log" )
         return -1
 
+
 def getTopologyTimestamps( main ):
-    '''
+    """
     Get timestamps for the last topology events on all cluster nodes
-    '''
+    """
     timestamps = []
     for i in range( main.Cluster.numCtrls ):
         # Search for last topology event in karaf log
@@ -99,7 +104,7 @@
             main.log.error( "Error when trying to get topology event timestamp" )
             return main.ERROR
         try:
-            timestampField = lines[0].split( "creationTime=" )
+            timestampField = lines[ 0 ].split( "creationTime=" )
             timestamp = timestampField[ 1 ].split( "," )
             timestamp = int( timestamp[ 0 ] )
             timestamps.append( timestamp )
@@ -108,10 +113,11 @@
             return main.ERROR
     return timestamps
 
+
 def getIntentTimestamps( main ):
-    '''
+    """
     Get timestamps for all intent keys on all cluster nodes
-    '''
+    """
     timestamps = {}
     for i in range( main.Cluster.numCtrls ):
         # Search for intent INSTALLED event in karaf log
@@ -128,7 +134,7 @@
                 keyField = line.split( "key=" )
                 key = keyField[ 1 ].split( "," )
                 key = key[ 0 ]
-                if not key in timestamps.keys():
+                if key not in timestamps.keys():
                     timestamps[ key ] = []
                 # Get timestamp
                 timestampField = line.split( "time = " )
@@ -140,10 +146,11 @@
                 return main.ERROR
     return timestamps
 
+
 def calculateLatency( main, topologyTimestamps, intentTimestamps ):
-    '''
+    """
     Calculate reroute latency values using timestamps
-    '''
+    """
     topologyTimestamp = numpy.min( topologyTimestamps )
     firstInstalledLatency = {}
     lastInstalledLatency = {}