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-rw-r--r--Lib/email/Header.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/email/Header.py b/Lib/email/Header.py
index 7f2b444..21acaf1 100644
--- a/Lib/email/Header.py
+++ b/Lib/email/Header.py
@@ -411,7 +411,7 @@ def _split_ascii(s, firstlen, restlen, continuation_ws, splitchars):
# syntax; we just try to break on semi-colons, then commas, then
# whitespace.
for ch in splitchars:
- if line.find(ch) >= 0:
+ if ch in line:
break
else:
# There's nothing useful to split the line on, not even spaces, so