code: def run_app(args):
      """Main function to begin training."""
      model_main(
          learning_rate=args.learning_rate,
          epochs=args.epochs,
          local_path=args.local_path,
          gcloud_path=args.gcloud_path,
          tensorboard_path=args.tensorboard_path,
      )
  
file_path: caliban/tutorials/uv-metrics/mnist.py
imports: import warnings
  from typing import Dict
  import mlflow
  import mlflow.keras
  import tensorflow
  import uv.reporter
  import uv.util
  from absl import app
  from uv.mlflow.reporter import MLFlowReporter
  import cli
label_desc: Use image node_id 4 for calling a global function with example usage: run_app(args) without return types