extra check to avoid None error

nadineproject · Jan 15, 2016 · e7fb8ee · e7fb8ee
1 parent a546d98
commit e7fb8ee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nadine/models/core.py b/nadine/models/core.py
@@ -219,7 +219,7 @@ def invalid_billing(self):
         members = []
         for m in self.active_members():
             membership = m.active_membership()
-            if membership.monthly_rate > 0:
+            if membership and membership.monthly_rate > 0:
                 if not m.has_valid_billing():
                     members.append(m)
         return members