ensures User.vpnuser is created on signup

lambdainst/views.py

@@ -98,6 +98,12 @@ def signup(request):
     )
     user.save()
 
+    try:
+        user.vpnuser
+    except VPNUser.DoesNotExist:
+        user.vpnuser = VPNUser.objects.create(user=user)
+        user.vpnuser.save()
+
     try:
         user.vpnuser.referrer = User.objects.get(id=request.session.get("referrer"))
     except User.DoesNotExist: