code: def test_pio_update_center_position():
      search_space = search.SearchSpace(
          n_agents=10,
          n_variables=2,
          lower_bound=[0, 0],
          upper_bound=[10, 10],
      )
  
      new_pio = pio.PIO()
      new_pio.compile(search_space)
  
      center = new_pio._calculate_center(search_space.agents)
      new_pio._update_center_position(
          search_space.agents[0].position, center
      )
  
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 5 for calling a global function with example usage: test_pio_update_center_position() without return types