firewall: make Firewall class' name start with upper-case

firewall/fw.py

@@ -10,7 +10,7 @@ from datetime import datetime, timedelta
 from django.db.models import Q
 
 
-class firewall:
+class Firewall:
     IPV6=False
     RULES = None
     RULES_NAT = []

firewall/tasks.py

@@ -46,8 +46,8 @@ class ReloadTask(Task):
                 if not sleep:
                     sleep = True
                     time.sleep(10)
-                ipv4 = firewall().get()
-                ipv6 = firewall(True).get()
+                ipv4 = Firewall().get()
+                ipv6 = Firewall(True).get()
                 reload_firewall_task.delay(ipv4, ipv6)
 
         if type == "Blacklist":