code: def test_preprocess_input(self, sensor_input, expected, atol):
      res = self.model.preprocess_input(sensor_input)
      for res_, expected_ in zip(res, expected):
          self.assertAllClose(res_, expected_, atol=atol)
  
file_path: geomstats/geomstats/test_cases/learning/kalman_filter.py
imports: from geomstats.test.test_case import TestCase
label_desc: Use image node_id 1 for calling the NonLinearLocalizationTestCase obj's underlying member method code with example usage: obj.test_preprocess_input(sensor_input, expected, atol) without return types