code: def get_hub_filepath(filepath):
      if filepath is None:
          if (Path().cwd() / "hub.yaml").exists():
              click.echo("explainerhub ===> Detected hub.yaml...")
              filepath = Path().cwd() / "hub.yaml"
          elif (Path().cwd() / "users.yaml").exists():
              click.echo("explainerhub ===> Detected users.yaml...")
              filepath = Path().cwd() / "users.yaml"
          elif (Path().cwd() / "users.json").exists():
              click.echo("explainerhub ===> Detected users.json...")
              filepath = Path().cwd() / "users.json"
          else:
              click.echo(
                  "No argument given and could find neither a "
                  "hub.yaml nor users.yaml or users.json. Aborting."
              )
              return
  
      if str(filepath).endswith(".yaml"):
          config = yaml.safe_load(open(str(filepath), "r"))
          if "explainerhub" in config:
              filepath = config["explainerhub"]["users_file"]
              click.echo(
                  f"explainerhub ===> Using {filepath} to manage users..."
              )
      return filepath
  
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 6 for calling a global function with example usage: get_hub_filepath(filepath) and returns: filepath