Handle if user doesn't have org id when importing group

circle/dashboard/models.py

@@ -339,8 +339,9 @@ class GroupProfile(AclBase):
 
             for org_id in data["users"]:
                 try:
-                    user = Profile.objects.get(org_id=org_id).user
-                    user.groups.add(group)
+                    if org_id is not None:
+                        user = Profile.objects.get(org_id=org_id).user
+                        user.groups.add(group)
                 except ObjectDoesNotExist:
                     future_member = FutureMember(org_id=org_id, group=group)
                     future_member.save()