class_docstr: Use file system to manage objects
class_docstr_tok: ["Use","file","system","to","manage","objects"]
code: def save_obj(self, obj, name):
      with (self.path / name).open("wb") as f:
          pickle.dump(obj, f, protocol=C.dump_protocol_version)
  
imports: import os
  import pickle
  import tempfile
  from pathlib import Path
  from qlib.config import C
label_desc: Use image node_id 3 for calling the FileManager obj's underlying member method code with example usage: obj.save_obj(obj, name) without return types