code: def dot_node(name, label):
      return pydot.Node(
          name=quoted(name), label=quoted(label), shape="rect"
      )
  
file_path: baikal/baikal/plot.py
imports: import io
  import os
  from typing import Optional
  from baikal import Model
  from baikal._core.utils import make_name, safezip2
label_desc: Use image node_id 4 for calling a global function with example usage: dot_node(name, label) and returns: pydot