code: def test_is_numeric():
      assert SF._is_numeric
  
imports: import pytest
  import numpy
  from numpy.testing import assert_array_equal
  from numpy.core._multiarray_umath import _discover_array_parameters, _get_sfloat_dtype
label_desc: Use image node_id 2 for calling a global function with example usage: test_is_numeric() without return types