Issue/26506 Provides correct desciption in docstring that get_indexer methods are not yet supported

pandas/core/indexes/base.py

@@ -52,6 +52,9 @@
 
 _index_doc_kwargs = dict(klass='Index', inplace='',
                          target_klass='Index',
+                         method_param_pad_notes='',
+                         method_param_backfill_notes='',
+                         method_param_nearest_notes='',
                          unique='Index', duplicated='np.ndarray')
 _index_shared_docs = dict()
 
@@ -2761,10 +2764,13 @@ def get_loc(self, key, method=None, tolerance=None):
         target : %(target_klass)s
         method : {None, 'pad'/'ffill', 'backfill'/'bfill', 'nearest'}, optional
             * default: exact matches only.
-            * pad / ffill: find the PREVIOUS index value if no exact match.
-            * backfill / bfill: use NEXT index value if no exact match
+            * pad / ffill: find the PREVIOUS index value if no exact
+              match%(method_param_pad_notes)s.
+            * backfill / bfill: use NEXT index value if no exact
+              match%(method_param_backfill_notes)s.
             * nearest: use the NEAREST index value if no exact match. Tied
-              distances are broken by preferring the larger index value.
+              distances are broken by preferring the larger index
+              value%(method_param_nearest_notes)s.
         limit : int, optional
             Maximum number of consecutive labels in ``target`` to match for
             inexact matches.

pandas/core/indexes/interval.py

@@ -39,6 +39,9 @@
     dict(klass='IntervalIndex',
          qualname="IntervalIndex",
          target_klass='IntervalIndex or list of Intervals',
+         method_param_pad_notes=' (not yet supported)',
+         method_param_backfill_notes=' (not yet supported)',
+         method_param_nearest_notes=' (not yet supported)',
          name=textwrap.dedent("""\
          name : object, optional
               Name to be stored in the index.
@@ -648,6 +651,8 @@ def _check_method(self, method):
             return
 
         if method in ['bfill', 'backfill', 'pad', 'ffill', 'nearest']:
+            # The documentation warns these methods are not implemented so if
+            # this is fixed please fix the doc string.
             msg = 'method {method} not yet implemented for IntervalIndex'
             raise NotImplementedError(msg.format(method=method))