From 3dc7df22cfbaab19821b8ce03e79893dc1ca88bb Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Wed, 10 Jul 2019 11:29:32 -0300
Subject: [PATCH] AddonManager: Handled exception when unable to download from
 url

---
 src/Mod/AddonManager/addonmanager_workers.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Mod/AddonManager/addonmanager_workers.py b/src/Mod/AddonManager/addonmanager_workers.py
index b8ad1e657f..abc32e5d28 100644
--- a/src/Mod/AddonManager/addonmanager_workers.py
+++ b/src/Mod/AddonManager/addonmanager_workers.py
@@ -677,6 +677,8 @@ class InstallWorker(QtCore.QThread):
             u = urlopen(zipurl)
         except:
             return translate("AddonsInstaller", "Error: Unable to download") + " " + zipurl
+        if not u:
+            return translate("AddonsInstaller", "Error: Unable to download") + " " + zipurl
         if sys.version_info.major < 3:
             import StringIO as io
             _stringio = io.StringIO