code: def test_callable_dtype(dataframe):
      """Test output when selecting columns based on dtype"""
      expected = dataframe.select_dtypes("number")
      actual = dataframe.select_columns(is_numeric_dtype)
      assert_frame_equal(expected, actual)
  
imports: import datetime
  import re
  from itertools import product
  import numpy
  import pandas
  import pytest
  from pandas.api.types import is_numeric_dtype
  from pandas.testing import assert_frame_equal
  from janitor.functions.utils import DropLabel, get_columns, patterns
label_desc: Use image node_id 32 for calling a global function with example usage: test_callable_dtype(dataframe) without return types