code: def open_dashboard(experiment_path):
      """
      open X11 based dashboard in a new process (nonblocking)
      """
      dashboard_path = "python {}/dashboard.py".format(get_base_dir())
      cmd = "{} --experiment_dir {}".format(
          dashboard_path, experiment_path
      )
      screen.log_title(
          "Opening dashboard - experiment path: {}".format(
              experiment_path
          )
      )
      # subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, shell=True, executable="bash")
      subprocess.Popen(cmd, shell=True, executable="bash")
  
imports: import sys
  import copy
  from configparser import ConfigParser, Error
  import os
  from rl_coach import logger
  import traceback
  from rl_coach.logger import screen, failed_imports
  import argparse
  import atexit
  import time
  import sys
  import json
  from rl_coach.base_parameters import Frameworks, VisualizationParameters, TaskParameters, DistributedTaskParameters, RunType, DistributedCoachSynchronizationType
  from rl_coach.core_types import TotalStepsCounter, RunPhase, PlayingStepsType, TrainingSteps, EnvironmentEpisodes, EnvironmentSteps, StepMethod, Transition
  from multiprocessing import Process
  from multiprocessing.managers import BaseManager
  import subprocess
  from glob import glob
  from rl_coach.graph_managers.graph_manager import HumanPlayScheduleParameters, GraphManager
  from rl_coach.utils import list_all_presets, short_dynamic_import, get_open_port, SharedMemoryScratchPad, get_base_dir, set_gpu
  from rl_coach.graph_managers.basic_rl_graph_manager import BasicRLGraphManager
  from rl_coach.environments.environment import SingleLevelSelection
  from rl_coach.memories.backend.redis import RedisPubSubMemoryBackendParameters
  from rl_coach.memories.backend.memory_impl import construct_memory_params
  from rl_coach.data_stores.data_store import DataStoreParameters
  from rl_coach.data_stores.s3_data_store import S3DataStoreParameters
  from rl_coach.data_stores.nfs_data_store import NFSDataStoreParameters
  from rl_coach.data_stores.redis_data_store import RedisDataStoreParameters
  from rl_coach.data_stores.data_store_impl import get_data_store, construct_data_store_params
  from rl_coach.training_worker import training_worker
  from rl_coach.rollout_worker import rollout_worker
  from rl_coach.schedules import *
  from rl_coach.exploration_policies.e_greedy import *
label_desc: Use image node_id 3 for calling a global function with example usage: open_dashboard(experiment_path) without return types