code: def df2():
      return DataFrame(
          {
              "A": np.arange(6, dtype="int64"),
          },
          index=CategoricalIndex(
              list("aabbca"),
              dtype=CategoricalDtype(list("cabe")),
              name="B",
          ),
      )
  
imports: import re
  import numpy
  import pytest
  import pandas.util._test_decorators
  import pandas
  from pandas import Categorical, CategoricalDtype, CategoricalIndex, DataFrame, Index, Interval, Series, Timedelta, Timestamp, option_context
  import pandas._testing
label_desc: Use image node_id 2 for calling a global function with example usage: df2() and returns: DataFrame