Fix whitespace issues

Change-Id: I7c96843996f4847f9e15022f1dc6cd85e8a092f7
diff --git a/TestON/drivers/common/cli/tool/dpctlclidriver.py b/TestON/drivers/common/cli/tool/dpctlclidriver.py
index 1e5f839..504567c 100644
--- a/TestON/drivers/common/cli/tool/dpctlclidriver.py
+++ b/TestON/drivers/common/cli/tool/dpctlclidriver.py
@@ -44,10 +44,10 @@
         self.name = self.options[ 'name' ]
 
         self.handle = super(
-		      DpctlCliDriver, self ).connect( user_name=self.user_name,
-         	      ip_address=self.ip_address,
-         	      port=None,
-         	      pwd=self.pwd )
+                   DpctlCliDriver, self ).connect( user_name=self.user_name,
+                   ip_address=self.ip_address,
+                   port=None,
+                   pwd=self.pwd )
         if self.handle:
             main.log.info( "Connected to the host" )
             return main.TRUE
@@ -64,12 +64,12 @@
          addFlow create a new flow entry into flow table using "dpctl"
         """
         args = utilities.parse_args( [
-				     "TCPIP",
+                                     "TCPIP",
                                      "TCPPORT",
                                      "INPORT",
                                      "ACTION",
                                      "TIMEOUT" ],
-            			     **flowParameters )
+                             **flowParameters )
 
         cmd = "dpctl add-flow tcp:"
         tcpIP = args[ "TCPIP" ] if args[ "TCPIP" ] is not None else "127.0.0.1"
@@ -250,10 +250,10 @@
          desc_set Sets the switch description ( as returned in ofp_desc_stats ) to string ( max length is DESC_STR_LEN )
         """
         args = utilities.parse_args( [
-				     "TCPIP",
+                                     "TCPIP",
                                      "TCPPORT",
                                      "STRING" ],
-           			     **flowParameters )
+                            **flowParameters )
 
         tcpIP = args[ "TCPIP" ] if args[ "TCPIP" ] is not None else "127.0.0.1"
         tcpPort = args[ "TCPPORT" ] if args[
@@ -278,10 +278,10 @@
          dumpDesc Sets the switch description ( as returned in ofp_desc_stats ) to string ( max length is DESC_STR_LEN )
         """
         args = utilities.parse_args( [
-				     "TCPIP",
+                                     "TCPIP",
                                      "TCPPORT",
                                      "STRING" ],
-            			     **flowParameters )
+                             **flowParameters )
 
         tcpIP = args[ "TCPIP" ] if args[ "TCPIP" ] is not None else "127.0.0.1"
         tcpPort = args[ "TCPPORT" ] if args[