code: def launch_dashboard_from_yaml(
      dashboard_config, no_browser, port, no_dashboard=False
  ):
      if isinstance(dashboard_config, (Path, str)) and str(
          dashboard_config
      ).endswith(".yaml"):
          config = yaml.safe_load(open(str(dashboard_config), "r"))
      elif isinstance(dashboard_config, dict):
          config = dashboard_config
      else:
          raise ValueError(
              f"dashboard_config should either be a .yaml filepath or a dict!"
          )
  
      if not Path(config["dashboard"]["explainerfile"]).exists():
          click.echo(
              f"explainerdashboard ===> {config['dashboard']['explainerfile']} does not exist!"
          )
          click.echo(
              f"explainerdashboard ===> first generate {config['dashboard']['explainerfile']} with explainerdashboard build"
          )
          return
  
      click.echo(
          f"explainerdashboard ===> Building dashboard from {config['dashboard']['explainerfile']}"
      )
  
      db = ExplainerDashboard.from_config(config)
  
      if port is None:
          port = config["dashboard"]["params"]["port"]
          if port is None:
              port = 8050
          click.echo(
              f"explainerdashboard ===> Setting port to {port}, override with e.g. --port 8051"
          )
  
      if not no_browser and not os.environ.get("WERKZEUG_RUN_MAIN"):
          click.echo(
              f"explainerdashboard ===> launching browser at {f'http://localhost:{port}/'}"
          )
          webbrowser.open_new(f"http://localhost:{port}/")
  
      click.echo(f"explainerdashboard ===> Starting dashboard:")
      if not no_dashboard:
          waitress.serve(db.flask_server(), host="0.0.0.0", port=port)
      return
  
imports: import os
  import webbrowser
  from pathlib import Path
  from importlib import import_module
  from copy import deepcopy
  import pickle
  import oyaml
  import pandas
  import joblib
  import click
  import waitress
  from explainerdashboard import *
  from explainerdashboard.explainers import BaseExplainer
  from explainerdashboard.dashboards import ExplainerDashboard
label_desc: Use image node_id 4 for calling a global function with example usage: launch_dashboard_from_yaml(dashboard_config, no_browser, port, no_dashboard) without return types