Fix warnings from pylint

Change-Id: I69087ffeef0a1a9618c633facffb1a9ac3251ba8
diff --git a/drivers/CiscoCatalyst.py b/drivers/CiscoCatalyst.py
index c731000..e92dec6 100644
--- a/drivers/CiscoCatalyst.py
+++ b/drivers/CiscoCatalyst.py
@@ -55,7 +55,7 @@
         self._login(username, password, enablepassword)
 
         # Try to avoid paged output
-        self.connection.setwinsize(132,1000)
+        self.connection.setwinsize(132, 1000)
 
         # And grab details about the switch. in case we need it
         self._get_systemdata()
@@ -447,16 +447,16 @@
         for line in self._read_paged_output():
             self._systemdata.append(line)
 
-    def _parse_vlan_list(self, input):
+    def _parse_vlan_list(self, inputdata):
         vlans = []
 
-        if input == "ALL":
+        if inputdata == "ALL":
             return ["ALL"]
-        elif input == "NONE":
+        elif inputdata == "NONE":
             return []
         else:
             # Parse the complex list
-            groups = input.split(',')
+            groups = inputdata.split(',')
             for group in groups:
                 subgroups = group.split('-')
                 if len(subgroups) == 1: