Updated imports in bdist_wheel tests

Author: agronholm

setuptools/tests/test_bdist_wheel.py

@@ -22,8 +22,8 @@
     remove_readonly,
     remove_readonly_exc,
 )
-from setuptools._vendor.packaging import tags
-from setuptools._vendor.wheel.wheelfile import WheelFile
+from setuptools.extern.packaging import tags
+from setuptools.extern.wheel.wheelfile import WheelFile
 
 DEFAULT_FILES = {
     "dummy_dist-1.0.dist-info/top_level.txt",
@@ -455,6 +455,6 @@ def _fake_import(name: str, *args, **kwargs):
         if module.startswith("wheel"):
             monkeypatch.delitem(sys.modules, module)
 
-    from wheel import bdist_wheel
+    from setuptools.extern.wheel import bdist_wheel
 
     assert bdist_wheel