From 52ed347a4928aa5328bfefcf9aeab521240b522f Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Oct 01 2016 08:01:31 +0000
Subject: Check if there is something in form.milestone before retrieving it


Fixes https://pagure.io/pagure/issue/1336

---

diff --git a/pagure/ui/issues.py b/pagure/ui/issues.py
index 6217af6..cebb76a 100644
--- a/pagure/ui/issues.py
+++ b/pagure/ui/issues.py
@@ -174,7 +174,8 @@ def update_issue(repo, issueid, username=None, namespace=None):
 
         new_milestone = None
         try:
-            new_milestone = form.milestone.data.strip() or None
+            if form.milestone.raw_data:
+                new_milestone = form.milestone.data.strip() or None
         except:
             pass