code: def add_edge(self, node1: str, node2: str) -> None:
      self.adj_list[node1].add(node2)
  
file_path: wandb/wandb/sdk/lib/_settings_toposort_generate.py
imports: import inspect
  import sys
  from typing import Dict, List, Set, Tuple
  from wandb.errors import UsageError
  from wandb.sdk.wandb_settings import Settings
label_desc: Use image node_id 3 for calling the Graph obj's underlying member method code with example usage: obj.add_edge(node1, node2) without return types