COMPAT: 32bit compat on indexing for MI.remove_unused_levels (#15948)

pandas-dev · Apr 8, 2017 · 84de51c · 84de51c
1 parent 751119f
commit 84de51c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/pandas/indexes/multi.py b/pandas/indexes/multi.py
@@ -1224,6 +1224,7 @@ def _sort_levels_monotonic(self):
             lev = lev.take(indexer)
 
             # indexer to reorder the labels
+            indexer = _ensure_int64(indexer)
             ri = lib.get_reverse_indexer(indexer, len(indexer))
             lab = algos.take_1d(ri, lab)