code: def test_fpa_local_pollination():
      new_fpa = fpa.FPA()
  
      position = new_fpa._local_pollination(1, 2, 1, 0.5)
  
      assert position == 1.5
  
file_path: opytimizer/tests/opytimizer/optimizers/swarm/test_fpa.py
imports: import numpy
  from opytimizer.optimizers.swarm import fpa
  from opytimizer.spaces import search
label_desc: Use image node_id 4 for calling a global function with example usage: test_fpa_local_pollination() without return types