From 17d9d83fd450b0b7388b17ce1cc63c54f18d5748 Mon Sep 17 00:00:00 2001
From: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Fri, 5 Jul 2019 13:08:36 +0200
Subject: [PATCH] User getattr for getting reloader package.

The main __script__ may not have a package when running as setup
scripts

Closes #1600
---
 src/werkzeug/_reloader.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/werkzeug/_reloader.py b/src/werkzeug/_reloader.py
index f06a63d5fc..9d47219ac6 100644
--- a/src/werkzeug/_reloader.py
+++ b/src/werkzeug/_reloader.py
@@ -73,7 +73,7 @@ def _get_args_for_reloading():
     # Need to look at main module to determine how it was executed.
     __main__ = sys.modules["__main__"]
 
-    if __main__.__package__ is None:
+    if getattr(__main__, '__package__', None) is None:
         # Executed a file, like "python app.py".
         if os.name == "nt":
             # Windows entry points have ".exe" extension and should be