pep8 fixes for recent packet_net inventory (#21066)

contrib/inventory/packet_net.py

@@ -200,7 +200,7 @@ class PacketInventory(object):
 
         # Do we need to exclude hosts that match a pattern?
         try:
-            pattern_exclude = config.get(ini_section, 'pattern_exclude');
+            pattern_exclude = config.get(ini_section, 'pattern_exclude')
             if pattern_exclude and len(pattern_exclude) > 0:
                 self.pattern_exclude = re.compile(pattern_exclude)
             else:
@@ -304,7 +304,7 @@ class PacketInventory(object):
         # Select the best destination address
         dest = None
         for ip_address in device.ip_addresses:
-            if ip_address['public'] == True and ip_address['address_family'] == 4:
+            if ip_address['public'] is True and ip_address['address_family'] == 4:
                 dest = ip_address['address']
 
 
@@ -389,7 +389,7 @@ class PacketInventory(object):
                 device_vars[key] = value
             elif isinstance(value, six.string_types):
                 device_vars[key] = value.strip()
-            elif type(value) == type(None):
+            elif value is None:
                 device_vars[key] = ''
             elif key == 'packet_facility':
                 device_vars[key] = value['code']
@@ -495,4 +495,3 @@ class PacketInventory(object):
 
 # Run the script
 PacketInventory()
-