code: def test_fa_params_setter():
      new_fa = fa.FA()
  
      try:
          new_fa.alpha = "a"
      except:
          new_fa.alpha = 0.5
  
      try:
          new_fa.alpha = -1
      except:
          new_fa.alpha = 0.5
  
      assert new_fa.alpha == 0.5
  
      try:
          new_fa.beta = "b"
      except:
          new_fa.beta = 0.2
  
      try:
          new_fa.beta = -1
      except:
          new_fa.beta = 0.2
  
      assert new_fa.beta == 0.2
  
      try:
          new_fa.gamma = "c"
      except:
          new_fa.gamma = 1.0
  
      try:
          new_fa.gamma = -1
      except:
          new_fa.gamma = 1.0
  
      assert new_fa.gamma == 1.0
  
imports: import numpy
  from opytimizer.optimizers.swarm import fa
  from opytimizer.spaces import search
label_desc: Use image node_id 2 for calling a global function with example usage: test_fa_params_setter() without return types