code: def test_pio_params():
      params = {"n_c1": 150, "n_c2": 200, "R": 0.2}
  
      new_pio = pio.PIO(params=params)
  
      assert new_pio.n_c1 == 150
  
      assert new_pio.n_c2 == 200
  
      assert new_pio.R == 0.2
  
file_path: opytimizer/tests/opytimizer/optimizers/swarm/test_pio.py
imports: import numpy
  from opytimizer.optimizers.swarm import pio
  from opytimizer.spaces import search
label_desc: Use image node_id 1 for calling a global function with example usage: test_pio_params() without return types