TST: correction w.r.t #12530

jreback · jreback · commit ffb6eed55a7d · 2016-03-21T08:53:23.000-04:00
diff --git a/pandas/core/indexing.py b/pandas/core/indexing.py
@@ -1748,7 +1748,7 @@ def convert_to_index_sliceable(obj, key):
         if idx.is_all_dates:
             try:
                 return idx._get_string_slice(key)
-            except ValueError:
+            except (ValueError, NotImplementedError):
                 return None
 
     return None
