code: def test_same_latitudes(self):
      latitudes = [-71.123, -71.123]
      lower, upper = latitude_bounds(latitudes)
      assert upper > lower
      diff = abs(upper - lower)
      assert 1.99 * EPSILON < diff < 2.01 * EPSILON
      assert lower < -71.123 < upper
  
imports: import unittest
  import numpy
  from ..bounds import latitude_bounds, longitude_bounds, merge_longitude_bounds, MAX_ALLOWED_LATITUDE, MIN_ALLOWED_LATITUDE, EPSILON
label_desc: Use image node_id 5 for calling the LatitudeBounds obj's underlying member method code with example usage: obj.test_same_latitudes() without return types