1 files changed, 4 insertions, 2 deletions
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index e17eeb6..8de0e9e 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -713,6 +713,8 @@ class BuiltinImporter:
 
     """
 
+    _ORIGIN = "built-in"
+
     @staticmethod
     def module_repr(module):
         """Return repr for the module.
@@ -720,14 +722,14 @@ class BuiltinImporter:
         The method is deprecated.  The import machinery does the job itself.
 
         """
-        return '<module {!r} (built-in)>'.format(module.__name__)
+        return f'<module {module.__name__!r} ({BuiltinImporter._ORIGIN})>'
 
     @classmethod
     def find_spec(cls, fullname, path=None, target=None):
         if path is not None:
             return None
         if _imp.is_builtin(fullname):
-            return spec_from_loader(fullname, cls, origin='built-in')
+            return spec_from_loader(fullname, cls, origin=cls._ORIGIN)
         else:
             return None