Issue #23615: Module tarfile is now can be reloaded with imp.reload().

Lib/tarfile.py

@@ -41,6 +41,7 @@ __credits__ = "Gustavo Niemeyer, Niels Gust
 #---------
 # Imports
 #---------
+from __builtin__ import open as bltn_open
 import sys
 import os
 import shutil
@@ -2611,5 +2612,4 @@ def is_tarfile(name):
     except TarError:
         return False
 
-bltn_open = open
 open = TarFile.open

Misc/NEWS

@@ -21,6 +21,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #23615: Module tarfile is now can be reloaded with imp.reload().
+
 - Issue #22853: Fixed a deadlock when use multiprocessing.Queue at import time.
   Patch by Florian Finkernagel and Davin Potts.
 

Tools/freeze/bkfile.py

-_orig_open = open
+from __builtin__ import open as _orig_open
 
 class _BkFile:
     def __init__(self, file, mode, bufsize):