code: def test_mfo_params_setter():
      new_mfo = mfo.MFO()
  
      try:
          new_mfo.b = "a"
      except:
          new_mfo.b = 1
  
      try:
          new_mfo.b = -1
      except:
          new_mfo.b = 1
  
      assert new_mfo.b == 1
  
imports: import numpy
  from opytimizer.optimizers.swarm import mfo
  from opytimizer.spaces import search
label_desc: Use image node_id 2 for calling a global function with example usage: test_mfo_params_setter() without return types