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-rw-r--r--Lib/email/_header_value_parser.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/email/_header_value_parser.py b/Lib/email/_header_value_parser.py
index 9a51b943733..f11fa83d45e 100644
--- a/Lib/email/_header_value_parser.py
+++ b/Lib/email/_header_value_parser.py
@@ -1020,6 +1020,8 @@ def _get_ptext_to_endchars(value, endchars):
a flag that is True iff there were any quoted printables decoded.
"""
+ if not value:
+ return '', '', False
fragment, *remainder = _wsp_splitter(value, 1)
vchars = []
escape = False