Jul 31, 2021 · Jul 31, 2021
diff --git a/Lib/shutil.py b/Lib/shutil.py

 defcopyfileobj(fsrc,fdst,length=0):
 """copy data from file-like object fsrc to file-like object fdst"""
 # Localize variable access to minimize overhead.
 ifnotlength:
 length=COPY_BUFSIZE
 # Localize variable access to minimize overhead.
 fsrc_read=fsrc.read
 fdst_write=fdst.write
 whileTrue:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -188,9 +188,9 @@ def _copyfileobj_readinto(fsrc, fdst, length=COPY_BUFSIZE):

		defcopyfileobj(fsrc,fdst,length=0):
		"""copy data from file-like object fsrc to file-like object fdst"""
		# Localize variable access to minimize overhead.
		ifnotlength:
		length=COPY_BUFSIZE
		# Localize variable access to minimize overhead.
		fsrc_read=fsrc.read
		fdst_write=fdst.write
		whileTrue:
Expand Down