code: def test_init():
      # discrete control
      action_space = DiscreteActionSpace(3)
  
file_path: coach/rl_coach/tests/exploration_policies/test_ou_process.py
imports: import os
  import sys
  import pytest
  from rl_coach.spaces import DiscreteActionSpace, BoxActionSpace
  from rl_coach.exploration_policies.ou_process import OUProcess
  from rl_coach.core_types import RunPhase
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_init() without return types