code: def __init__(self, continent: str, city: str):
      self.continent = continent
      self.city = city
  
imports: from __future__ import annotations
  import datetime
  import os
  from sqlalchemy import create_engine
  from sqlalchemy import ForeignKey
  from sqlalchemy import inspect
  from sqlalchemy import select
  from sqlalchemy.ext.horizontal_shard import set_shard_id
  from sqlalchemy.ext.horizontal_shard import ShardedSession
  from sqlalchemy.orm import DeclarativeBase
  from sqlalchemy.orm import Mapped
  from sqlalchemy.orm import mapped_column
  from sqlalchemy.orm import relationship
  from sqlalchemy.orm import sessionmaker
label_desc: Use image node_id 1 to create a new WeatherLocation object from inherited base classes: Base with example: obj = WeatherLocation(continent, city)