code: def test_cramers_v_with_nones():
      dist1 = np.array(["a"] * 200 + ["b"] * 800 + [None] * 100)
      dist2 = np.array(["a"] * 400 + ["b"] * 600)
      res = cramers_v(dist1=dist1, dist2=dist2)
      assert_that(res, close_to(0.3, 0.01))
  
imports: import numpy
  from hamcrest import assert_that, calling, close_to, equal_to, raises
  from deepchecks.core.errors import DeepchecksValueError
  from deepchecks.utils.distribution.drift import cramers_v, earth_movers_distance, kolmogorov_smirnov
label_desc: Use image node_id 11 for calling a global function with example usage: test_cramers_v_with_nones() without return types