text: from dataclasses import dataclass, field
  from datetime import datetime
  from typing import List
  
  
  @dataclass
  class Label:
      """Labels on a Pull Request."""
  
      name: str
  
  
  @dataclass
  class PullRequest:
      """Models a Pull Request"""
  
      number: int
      title: str
      created_at: datetime
      updated_at: datetime
      approved: str
      approved_by_others: bool
      labels: List[Label] = field(default_factory=list)
  