From e4aeb7d1f1e1029133b2c722bd239a8cc18e8f47 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Sat, 15 May 2004 16:26:28 +0000
Subject: [PATCH] _parsegen(): Add a missing check for NeedMoreData.

---
 Lib/email/FeedParser.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/email/FeedParser.py b/Lib/email/FeedParser.py
index ac3769d4b2..af0e177d56 100644
--- a/Lib/email/FeedParser.py
+++ b/Lib/email/FeedParser.py
@@ -314,6 +314,9 @@ class FeedParser:
                     # body parts within such double boundaries.
                     while True:
                         line = self._input.readline()
+                        if line is NeedMoreData:
+                            yield NeedMoreData
+                            continue
                         mo = boundaryre.match(line)
                         if not mo:
                             self._input.unreadline(line)
-- 
2.50.1