a labels was not caught

Author: topper-123

pandas/core/indexes/multi.py

@@ -910,7 +910,7 @@ def _format_attrs(self):
             ('levels', ibase.default_pprint(self._levels,
                                             max_seq_items=False)),
             ('codes', ibase.default_pprint(self._codes,
-                                            max_seq_items=False))]
+                                           max_seq_items=False))]
         if com._any_not_none(*self.names):
             attrs.append(('names', ibase.default_pprint(self.names)))
         if self.sortorder is not None:

pandas/tests/util/test_assert_index_equal.py

@@ -13,7 +13,7 @@ def test_index_equal_levels_mismatch():
 Index levels are different
 \\[left\\]:  1, Int64Index\\(\\[1, 2, 3\\], dtype='int64'\\)
 \\[right\\]: 2, MultiIndex\\(levels=\\[\\[u?'A', u?'B'\\], \\[1, 2, 3, 4\\]\\],
-           labels=\\[\\[0, 0, 1, 1\\], \\[0, 1, 2, 3\\]\\]\\)"""
+           codes=\\[\\[0, 0, 1, 1\\], \\[0, 1, 2, 3\\]\\]\\)"""
 
     idx1 = Index([1, 2, 3])
     idx2 = MultiIndex.from_tuples([("A", 1), ("A", 2),