add back attributes and methods doc string parts

Author: topper-123

pandas/core/indexes/numeric.py

@@ -367,6 +367,14 @@ def _format_native_types(
         In pandas v2.0 %(klass)s will be removed and :class:`NumericIndex` used instead.
         %(klass)s will remain fully functional for the duration of pandas 1.x.
 
+    Attributes
+    ----------
+    None
+
+    Methods
+    ----------
+    None
+
     Parameters
     ----------
     data : array-like (1-dimensional)