Issue #23911: Move path-based bootstrap code to a separate frozen module.
diff --git a/Lib/importlib/machinery.py b/Lib/importlib/machinery.py
index 2e1b2d7..1b2b5c9 100644
--- a/Lib/importlib/machinery.py
+++ b/Lib/importlib/machinery.py
@@ -2,18 +2,18 @@
 
 import _imp
 
-from ._bootstrap import (SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES,
-                         OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES,
-                         EXTENSION_SUFFIXES)
 from ._bootstrap import ModuleSpec
 from ._bootstrap import BuiltinImporter
 from ._bootstrap import FrozenImporter
-from ._bootstrap import WindowsRegistryFinder
-from ._bootstrap import PathFinder
-from ._bootstrap import FileFinder
-from ._bootstrap import SourceFileLoader
-from ._bootstrap import SourcelessFileLoader
-from ._bootstrap import ExtensionFileLoader
+from ._bootstrap_external import (SOURCE_SUFFIXES, DEBUG_BYTECODE_SUFFIXES,
+                     OPTIMIZED_BYTECODE_SUFFIXES, BYTECODE_SUFFIXES,
+                     EXTENSION_SUFFIXES)
+from ._bootstrap_external import WindowsRegistryFinder
+from ._bootstrap_external import PathFinder
+from ._bootstrap_external import FileFinder
+from ._bootstrap_external import SourceFileLoader
+from ._bootstrap_external import SourcelessFileLoader
+from ._bootstrap_external import ExtensionFileLoader
 
 
 def all_suffixes():