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

Change-Id: Ied79ff9caff5487a6df50466307f757468d7ca3a
diff --git a/TestON/examples/StepParams/StepParams.py b/TestON/examples/StepParams/StepParams.py
index 584dca1..c7e0915 100644
--- a/TestON/examples/StepParams/StepParams.py
+++ b/TestON/examples/StepParams/StepParams.py
@@ -1,9 +1,9 @@
 #!/usr/bin/env python
-'''
+"""
 Created on 28-Nov-2012
-Copyright 2012 Open Networking Foundation (ONF)
+Copyright 2012 Open Networking Foundation ( ONF )
 
-@author: Anil Kumar (anilkumar.s@paxterrasolutions.com)
+author:: Anil Kumar ( anilkumar.s@paxterrasolutions.com )
 
 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>,
@@ -12,7 +12,7 @@
     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
@@ -21,40 +21,40 @@
 
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
-'''
+"""
 class StepParams:
-    '''
+
+    """
     This example shows the usage of the STEP level parameters, in params file the
-    [[CASE1]]
-    [[[STEP1]]]
+    [ [ CASE1 ] ]
+    [ [ [ STEP1 ] ] ]
         'host'  = 'h2'
 
     We can get this STEP level parameter like :
-    main.params['CASE1']['STEP1']['host']
+    main.params[ 'CASE1' ][ 'STEP1' ][ 'host' ]
 
 
     ofautomation>run StepParams example 1
-    '''
-    def __init__(self):
+    """
+    def __init__( self ):
         self.default = ""
 
-    def CASE1(self,main):
-        '''
+    def CASE1( self, main ):
+        """
         This example will showcase the usage of STEP level parameters to specify the host as h2
-        '''
-        main.case("Using STEP level parameters to specify the host as h2")
-        main.step("Host IP Checking using checkIP")
-        result = main.Mininet1.checkIP(main.params['CASE1']['STEP1']['host'])
-        main.step("Verifying the result")
-        utilities.assert_equals(expect=main.TRUE,actual=result,onpass="Host h2 IP address configured",onfail="Host h2 IP address didn't configured")
+        """
+        main.case( "Using STEP level parameters to specify the host as h2" )
+        main.step( "Host IP Checking using checkIP" )
+        result = main.Mininet1.checkIP( main.params[ 'CASE1' ][ 'STEP1' ][ 'host' ] )
+        main.step( "Verifying the result" )
+        utilities.assert_equals( expect=main.TRUE, actual=result, onpass="Host h2 IP address configured", onfail="Host h2 IP address didn't configured" )
 
-
-    def CASE2(self,main):
-        '''
+    def CASE2( self, main ):
+        """
                 This example will showcase the usage of STEP level parameters to specify the host as h3
-        '''
-        main.case("Using STEP level parameters to specify the host as h3")
-        main.step("Host IP Checking using checkIP")
-        result = main.Mininet1.checkIP(main.params['CASE2']['STEP1']['host'])
-        main.step("Verifying the result")
-        utilities.assert_equals(expect=main.TRUE,actual=result,onpass="Host h3 IP address configured",onfail="Host h3 IP address didn't configured")
+        """
+        main.case( "Using STEP level parameters to specify the host as h3" )
+        main.step( "Host IP Checking using checkIP" )
+        result = main.Mininet1.checkIP( main.params[ 'CASE2' ][ 'STEP1' ][ 'host' ] )
+        main.step( "Verifying the result" )
+        utilities.assert_equals( expect=main.TRUE, actual=result, onpass="Host h3 IP address configured", onfail="Host h3 IP address didn't configured" )