code: def test_multiindex_na_repr(self):
      # only an issue with long columns
      df3 = DataFrame(
          {
              "A" * 30: {("A", "A0006000", "nuit"): "A0006000"},
              "B" * 30: {("A", "A0006000", "nuit"): np.nan},
              "C" * 30: {("A", "A0006000", "nuit"): np.nan},
              "D" * 30: {("A", "A0006000", "nuit"): np.nan},
              "E" * 30: {("A", "A0006000", "nuit"): "A"},
              "F" * 30: {("A", "A0006000", "nuit"): np.nan},
          }
      )
  
      idf = df3.set_index(["A" * 30, "C" * 30])
      repr(idf)
  
imports: from datetime import datetime, timedelta
  from io import StringIO
  import numpy
  import pytest
  from pandas._config import using_pyarrow_string_dtype
  from pandas import NA, Categorical, CategoricalIndex, DataFrame, IntervalIndex, MultiIndex, NaT, PeriodIndex, Series, Timestamp, date_range, option_context, period_range
  import pandas._testing
label_desc: Use image node_id 8 for calling the TestDataFrameRepr obj's underlying member method code with example usage: obj.test_multiindex_na_repr() without return types