delete old variable ip

app/authentication/auth.py

@@ -51,7 +51,6 @@ def restrict_ip_sms():
         current_app.logger.info("X-Custom-forwarder {}".format(request.headers.get("X-Custom-forwarder")))
 
     # Check IP of SMS providers
-    ip = ''
     if request.headers.get("X-Forwarded-For"):
         # X-Forwarded-For looks like "203.0.113.195, 70.41.3.18, 150.172.238.178"
         # Counting backwards and look at the IP at the 3rd last hop - hence, hop(end-3)