code: def connect(self) -> None:
      print(f"MySQL connecting to {self.host}")
  
file_path: hydra/examples/instantiate/object/my_app.py
imports: from omegaconf import DictConfig
  import hydra
  from hydra.utils import instantiate
label_desc: Use image node_id 2 for calling the MySQLConnection obj's underlying member method code with example usage: obj.connect() without return types