code: def test_frame_describe_tupleindex():
      # GH 14848 - regression from 0.19.0 to 0.19.1
      df1 = DataFrame(
          {
              "x": [1, 2, 3, 4, 5] * 3,
              "y": [10, 20, 30, 40, 50] * 3,
              "z": [100, 200, 300, 400, 500] * 3,
          }
      )
      df1["k"] = [(0, 0, 1), (0, 1, 0), (1, 0, 0)] * 5
      df2 = df1.rename(columns={"k": "key"})
      msg = "Names should be list-like for a MultiIndex"
      with pytest.raises(ValueError, match=msg):
          df1.groupby("k").describe()
      with pytest.raises(ValueError, match=msg):
          df2.groupby("key").describe()
  
file_path: pandas/pandas/tests/groupby/methods/test_describe.py
imports: import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, MultiIndex, Series, Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 6 for calling a global function with example usage: test_frame_describe_tupleindex() without return types