Implement InspectLoader for FrozenImporter.
diff --git a/Lib/importlib/abc.py b/Lib/importlib/abc.py
index c9c542a..b2bdb02 100644
--- a/Lib/importlib/abc.py
+++ b/Lib/importlib/abc.py
@@ -14,8 +14,6 @@
         """Abstract method which when implemented should load a module."""
         raise NotImplementedError
 
-Loader.register(machinery.FrozenImporter)
-
 
 class Finder(metaclass=abc.ABCMeta):
 
@@ -75,6 +73,7 @@
         return NotImplementedError
 
 InspectLoader.register(machinery.BuiltinImporter)
+InspectLoader.register(machinery.FrozenImporter)
 
 
 class PyLoader(_bootstrap.PyLoader, InspectLoader):