Revert D73804939

Differential Revision: D73942429

Pull Request resolved: #10589

Author: zsol

docs/source/conf.py

@@ -18,9 +18,9 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
+import distutils.file_util
 import glob
 import os
-import shutil
 import sys
 from typing import Any
 
@@ -135,7 +135,7 @@
     # Copy .md files from source dir to gallery dir
     for f in glob.glob(os.path.join(source_dir, "*.md")):
 
-        shutil.copyfile(f, gallery_dir)
+        distutils.file_util.copy_file(f, gallery_dir, update=True)
 
 source_suffix = [".rst", ".md"]