code: def check_staging() -> None:
      nodes = load_staging_data(JSON_DATA)
      for name, node in nodes.items():
          print(f"Processing {name}")
          good = False
          try:
              good, updated_hash = process_node(node=node)
              node["commit_hash"] = updated_hash
              nodes[name] = node
              save_staging_data(JSON_DATA, nodes)
          except Exception as e:
              print(f"Failed to process node: {name}. {e}")
          emoji = "✅" if good else "❌"
          print(f"{emoji} Node {name}")
  
imports: import json
  import os
  import subprocess
  from typing import Any
  from typing import Dict
  from typing import Optional
  from typing import Tuple
  import git
  import requests
label_desc: Use image node_id 10 for calling a global function with example usage: check_staging() without return types