gh-151560: fix AttributeError when running test.test_importlib.resources.test_resource (#151561)

* [gh-151560]
import MetaPathFinder, Loader from importlib.abc
+ make it used

* sort import alphabetically

Author: ringobanana-3900

Lib/test/test_importlib/resources/util.py

@@ -6,6 +6,7 @@
 import pathlib
 import sys
 import types
+from importlib.abc import Loader, MetaPathFinder
 from importlib.machinery import ModuleSpec
 from importlib.resources.abc import ResourceReader, Traversable, TraversableResources
 
@@ -218,7 +219,7 @@ def augment_sys_metapath(self, module):
         yield
         sys.meta_path.remove(finder_instance)
 
-    class MemoryFinder(importlib.abc.MetaPathFinder):
+    class MemoryFinder(MetaPathFinder):
         def __init__(self, module):
             self._module = module
 
@@ -232,7 +233,7 @@ def find_spec(self, fullname, path, target=None):
                 is_package=True,
             )
 
-    class MemoryLoader(importlib.abc.Loader):
+    class MemoryLoader(Loader):
         def __init__(self, module):
             self._module = module