def test_step_represent_matrix():
 step = core.Step.from_string(STEP_WITH_MATRIX2)
 assert_equals(step.represent_columns(), '      | a | a |\n      | 2 | a |\n      |   | 67|\n')

def test_step_represent_matrix ( ) : step = core . Step . from_string ( STEP_WITH_MATRIX2 ) assert_equals ( step . represent_columns ( ) , '      | a | a |\n      | 2 | a |\n      |   | 67|\n' )
step with a more suggestive representation for a matrix .