code: def test_is_decimal_dtype(obj, expect):
      assert types.is_decimal_dtype(obj) == expect
  
file_path: cudf/python/cudf/cudf/tests/test_api_types.py
imports: import numpy
  import pandas
  import pytest
  from pandas.api import types
  import cudf
  from cudf.api import types
label_desc: Use image node_id 9 for calling a global function with example usage: test_is_decimal_dtype(obj, expect) without return types