Updating autogen_api.py.

* The docs won't build though.

docs/autogen_api.py

@@ -43,7 +43,7 b" if __name__ == '__main__':"
                                         # for each group copied below
                                         
                                         # AttributeError: __abstractmethods__
-                                        r'\.core\.component',
+                                        r'\.config\.configurable',
                                         r'\.utils\.traitlets',
         
                                         # AttributeError: __provides__