new_contents: import numpy as np
  from numpy.testing import *
      
  import scipy.ndimage as ndimage
  
  def test_byte_order_median():
      """Regression test for #413: median_filter does not handle bytes orders."""
      a = np.arange(9, dtype='<f4').reshape(3, 3)
      ref = ndimage.filters.median_filter(a,(3, 3))
      b = np.arange(9, dtype='>f4').reshape(3, 3)
      t = ndimage.filters.median_filter(b, (3, 3))
      assert_array_almost_equal(ref, t)
  
  if __name__ == "__main__":
      NumpyTest().run()
  
subject: Add regression test for #413.