def test_copy():
 label = read_label(label_fname)
 label_2 = label.copy()
 label_2.pos += 1
 assert_array_equal(label.pos, (label_2.pos - 1))

def test_copy ( ) : label = read_label ( label_fname ) label_2 = label . copy ( ) label_2 . pos += 1 assert_array_equal ( label . pos , ( label_2 . pos - 1 ) )
test label copying .