more indexing

Author: jreback

pandas/indexes/interval.py

@@ -520,7 +520,7 @@ def get_indexer(self, target, method=None, limit=None, tolerance=None):
                     'have not yet implemented get_indexer '
                     'for IntervalIndex indexers')
             else:
-                return self._engine.get_indexer(target)
+                return self._engine.get_indexer(target.values)
 
     def sort_values(self, return_indexer=False, ascending=True):
         """

pandas/tests/indexing/test_interval.py

@@ -40,3 +40,7 @@ def test_loc_getitem_frame(self):
         result = df.loc[4]
         expected = df.iloc[4:6]
         tm.assert_frame_equal(result, expected)
+
+        result = df.loc[[4]]
+        expected = df.iloc[4:6]
+        tm.assert_frame_equal(result, expected)