code: def pos_history():
      """Returns a list containing a swarms' position history"""
      return np.random.uniform(size=(10, 5, 2))
  
file_path: pyswarms/tests/utils/plotters/conftest.py
imports: import os
  import matplotlib
  import numpy
  import pytest
  from pyswarms.single import GlobalBestPSO
  from pyswarms.utils.functions.single_obj import sphere
  from pyswarms.utils.plotters.formatters import Mesher
label_desc: Use image node_id 2 for calling a global function with example usage: pos_history() and returns: np