add GH number

Author: topper-123

doc/source/whatsnew/v1.2.0.rst

@@ -258,7 +258,7 @@ Deprecations
 ~~~~~~~~~~~~
 - Deprecated parameter ``inplace`` in :meth:`MultiIndex.set_codes` and :meth:`MultiIndex.set_levels` (:issue:`35626`)
 - Deprecated parameter ``dtype`` in :meth:`~Index.copy` on method all index classes. Use the :meth:`~Index.astype` method instead for changing dtype (:issue:`35853`)
-- Deprecated parameters ``levels`` and ``codes`` in :meth:`~MultiIndex.copy`. Use the :meth:`~MultiIndex.set_levels` and :meth:`~MultiIndex.set_codes` methods instead (:issue:`xxxxx`)
+- Deprecated parameters ``levels`` and ``codes`` in :meth:`~MultiIndex.copy`. Use the :meth:`~MultiIndex.set_levels` and :meth:`~MultiIndex.set_codes` methods instead (:issue:`36685`)
 - Date parser functions :func:`~pandas.io.date_converters.parse_date_time`, :func:`~pandas.io.date_converters.parse_date_fields`, :func:`~pandas.io.date_converters.parse_all_fields` and :func:`~pandas.io.date_converters.generic_parser` from ``pandas.io.date_converters`` are deprecated and will be removed in a future version; use :func:`to_datetime` instead (:issue:`35741`)
 - :meth:`DataFrame.lookup` is deprecated and will be removed in a future version, use :meth:`DataFrame.melt` and :meth:`DataFrame.loc` instead (:issue:`18682`)
 - The :meth:`Index.to_native_types` is deprecated. Use ``.astype(str)`` instead (:issue:`28867`)

pandas/tests/indexes/multi/test_copy.py

@@ -94,7 +94,7 @@ def test_copy_method_kwargs(deep, kwarg, value):
     ],
 )
 def test_copy_deprecated_parameters(deep, param_name, param_value):
-    # gh-xxxxx
+    # gh-36685
     idx = MultiIndex(
         levels=[["foo", "bar"], ["fizz", "buzz"]],
         codes=[[0, 0, 0, 1], [0, 0, 1, 1]],