Use new form of with-statement instead of contextlib.nested().
diff --git a/Lib/filecmp.py b/Lib/filecmp.py
index 1a86e06..e5983cd 100644
--- a/Lib/filecmp.py
+++ b/Lib/filecmp.py
@@ -11,7 +11,6 @@
import os
import stat
-import contextlib
from itertools import filterfalse
__all__ = ["cmp", "dircmp", "cmpfiles"]
@@ -63,7 +62,7 @@
def _do_cmp(f1, f2):
bufsize = BUFSIZE
- with contextlib.nested(open(f1, 'rb'), open(f2, 'rb')) as (fp1, fp2):
+ with open(f1, 'rb') as fp1, open(f2, 'rb') as fp2:
while True:
b1 = fp1.read(bufsize)
b2 = fp2.read(bufsize)