code: def chain_no_types(*layer: Model) -> Model:
      return chain(*layer)
  
file_path: thinc/thinc/layers/chain.py
imports: from typing import Any, Callable, Dict, List, Optional, Tuple, TypeVar, cast
  from ..config import registry
  from ..model import Model
  from ..types import XY_YZ_OutT
  from ..util import get_width
label_desc: Use image node_id 1 for calling a global function with example usage: chain_no_types() and returns: chain