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-rw-r--r--Lib/tempfile.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/tempfile.py b/Lib/tempfile.py
index 2e8cd6d..7809552 100644
--- a/Lib/tempfile.py
+++ b/Lib/tempfile.py
@@ -114,7 +114,7 @@ class _RandomNameSequence:
characters = ("abcdefghijklmnopqrstuvwxyz" +
"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
- "0123456789-_")
+ "0123456789_")
def __init__(self):
self.mutex = _allocate_lock()