code: def test2_predict_is_nans():
      """
      Tests that the predictions in-sample are not NaNs
      """
      assert (
          len(
              model_b_2.predict_is(h=5).values[
                  np.isnan(model_b_2.predict_is(h=5).values)
              ]
          )
          == 0
      )
  
imports: import numpy
  import pandas
  import pyflux
label_desc: Use image node_id 37 for calling a global function with example usage: test2_predict_is_nans() without return types