diff -r b39958d6b81b -r aac4be30e250 mercurial/httppeer.py
--- a/mercurial/httppeer.py	Thu May 03 18:39:58 2018 +0900
+++ b/mercurial/httppeer.py	Sat May 26 12:14:04 2018 +0900
@@ -13,7 +13,6 @@
 import os
 import socket
 import struct
-import tempfile
 import weakref
 
 from .i18n import _
@@ -519,7 +518,7 @@
         filename = None
         try:
             # dump bundle to disk
-            fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg")
+            fd, filename = pycompat.mkstemp(prefix="hg-bundle-", suffix=".hg")
             fh = os.fdopen(fd, r"wb")
             d = fp.read(4096)
             while d: