Fix PEP8

netbox/netbox/forms.py

@@ -15,7 +15,7 @@ OBJ_TYPE_CHOICES = (
         ('rack', 'Racks'),
         ('devicetype', 'Device types'),
         ('device', 'Devices'),
-        ('virtualchassis','Virtual Chassis'),
+        ('virtualchassis', 'Virtual Chassis'),
     )),
     ('IPAM', (
         ('vrf', 'VRFs'),