Remove empty list checks in MultiIndex.__new__

Author: Douglas Rudd

pandas/core/indexes/multi.py

@@ -89,9 +89,6 @@ def __new__(cls, levels=None, labels=None, sortorder=None, names=None,
             raise TypeError("Must pass both levels and labels")
         if len(levels) != len(labels):
             raise ValueError('Length of levels and labels must be the same.')
-        if names is not None and len(names) > 0 and len(levels) == 0:
-            levels = [[] for _ in names]
-            labels = [[] for _ in names]
         if len(levels) == 0:
             raise ValueError('Must pass non-zero number of levels/labels')
         if len(levels) == 1: