gh-118761: Speedup pathlib import by deferring shutil (#123520)

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <[email protected]>

Author: 3 people

Lib/pathlib/_local.py

@@ -3,7 +3,6 @@
 import operator
 import os
 import posixpath
-import shutil
 import sys
 from glob import _StringGlobber
 from itertools import chain
@@ -824,7 +823,10 @@ def rmdir(self):
         """
         os.rmdir(self)
 
-    _rmtree = shutil.rmtree
+    def _rmtree(self):
+        # Lazy import to improve module import time
+        import shutil
+        shutil.rmtree(self)
 
     def rename(self, target):
         """