code: def assert_space(self, space, expected):
      for val, exp in zip(space, expected):
          self.assertAlmostEqual(val, exp, places=3)
  
imports: import unittest
  from poutyne import OptimizerPolicy, Phase, cosinespace, linspace, one_cycle_phases, sgdr_phases
label_desc: Use image node_id 1 for calling the TestSpaces obj's underlying member method code with example usage: obj.assert_space(space, expected) without return types