From bb6c0aaebfbeb9ab13886e261df904c9c12853b9 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 22 Nov 2014 22:14:41 -0800
Subject: PEP 479:  Use the return-keyword instead of raising StopIteration
 inside a generators.

---
 Lib/mailbox.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/mailbox.py')

diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index 145b2040c9..e7f31df1e5 100644
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -1949,7 +1949,7 @@ class _ProxyFile:
         while True:
             line = self.readline()
             if not line:
-                raise StopIteration
+                return
             yield line
 
     def tell(self):
-- 
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