Linting fix

Author: ahawryluk

pandas/tests/io/excel/test_readers.py

@@ -1196,7 +1196,7 @@ def test_one_col_noskip_blank_line(self, read_ext):
     def test_multiheader_two_blank_lines(self, read_ext):
         # GH 40442
         file_name = "testmultiindex" + read_ext
-        columns = pd.MultiIndex.from_tuples([("a", "A"), ("b", "B")])
+        columns = MultiIndex.from_tuples([("a", "A"), ("b", "B")])
         data = [[np.nan, np.nan], [np.nan, np.nan], [1, 3], [2, 4]]
         expected = DataFrame(data, columns=columns)
         result = pd.read_excel(