diff --git a/Lib/pydoc.py b/Lib/pydoc.py
index 9c9658c..942c98d 100755
--- a/Lib/pydoc.py
+++ b/Lib/pydoc.py
@@ -167,7 +167,7 @@
     if name in {'__builtins__', '__doc__', '__file__', '__path__',
                      '__module__', '__name__', '__slots__', '__package__',
                      '__cached__', '__author__', '__credits__', '__date__',
-                     '__version__', '__qualname__'}:
+                     '__version__', '__qualname__', '__initializing__'}:
         return 0
     # Private names are hidden, but special names are displayed.
     if name.startswith('__') and name.endswith('__'): return 1