From 011581d078afa54416a6708333e7ffce13481da1 Mon Sep 17 00:00:00 2001 From: Alexander Kurakin Date: Sat, 27 Jun 2020 19:00:46 +0300 Subject: [PATCH] On traces of #33982 --- pandas/io/parsers.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pandas/io/parsers.py b/pandas/io/parsers.py index c427d3a198b10..bb5e0fca92189 100644 --- a/pandas/io/parsers.py +++ b/pandas/io/parsers.py @@ -1654,7 +1654,7 @@ def _maybe_dedup_names(self, names): def _maybe_make_multi_index_columns(self, columns, col_names=None): # possibly create a column mi here - if _is_potential_multi_index(columns): + if _is_potential_multi_index(columns, self.index_col): columns = MultiIndex.from_tuples(columns, names=col_names) return columns