code: def serve():
      if os.path.exists(os.path.join(app.static_folder, "index.html")):
          return send_from_directory(app.static_folder, "index.html")
  
      text = textwrap.dedent(
          """
      Unable to display MLflow UI - landing page (index.html) not found.
  
      You are very likely running the MLflow server using a source installation of the Python MLflow
      package.
  
      If you are a developer making MLflow source code changes and intentionally running a source
      installation of MLflow, you can view the UI by running the Javascript dev server:
      https://github.com/mlflow/mlflow/blob/master/CONTRIBUTING.md#running-the-javascript-dev-server
  
      Otherwise, uninstall MLflow via 'pip uninstall mlflow', reinstall an official MLflow release
      from PyPI via 'pip install mlflow', and rerun the MLflow server.
      """
      )
      return Response(text, mimetype="text/plain")
  
imports: import importlib
  import importlib.metadata
  import os
  import shlex
  import sys
  import textwrap
  import types
  from flask import Flask, Response, send_from_directory
  from packaging.version import Version
  from mlflow.exceptions import MlflowException
  from mlflow.server import handlers
  from mlflow.server.handlers import STATIC_PREFIX_ENV_VAR, _add_static_prefix, create_promptlab_run_handler, gateway_proxy_handler, get_artifact_handler, get_metric_history_bulk_handler, get_model_version_artifact_handler, search_datasets_handler, upload_artifact_handler
  from mlflow.utils.os import is_windows
  from mlflow.utils.process import _exec_cmd
  from mlflow.version import VERSION
label_desc: Use image node_id 11 for calling a global function with example usage: serve() and returns: Response, send_from_directory