code: def batch_proto(self):
      proto_path = _zip_path(self.prefix, ".guild/proto", "")
      try:
          _zip_entry(self.zip_src, proto_path)
      except KeyError:
          return None
      else:
          return RunZipProxy("proto", self.zip_src, proto_path[:-1])
  
file_path: guildai/guild/run_zip_proxy.py
imports: import os
  import zipfile
  import yaml
  from guild import run
label_desc: Use image node_id 4 for calling the RunZipProxy obj's underlying member method code with example usage: obj.batch_proto() and returns: RunZipProxy, None