code: def test_check_Xy_float16_y():
      check_Xy(X, y.astype(np.int16))
  
imports: import os
  import sys
  import numpy
  from mlxtend.utils import assert_raises, check_Xy, format_kwarg_dictionaries
label_desc: Use image node_id 4 for calling a global function with example usage: test_check_Xy_float16_y() without return types