➖ Drop support for Python 3.9 (#1766)

docs_src/tutorial/fastapi/response_model/tutorial001_py39.py

@@ -1,46 +0,0 @@
-from typing import Optional
-
-from fastapi import FastAPI
-from sqlmodel import Field, Session, SQLModel, create_engine, select
-
-
-class Hero(SQLModel, table=True):
-    id: Optional[int] = Field(default=None, primary_key=True)
-    name: str = Field(index=True)
-    secret_name: str
-    age: Optional[int] = Field(default=None, index=True)
-
-
-sqlite_file_name = "database.db"
-sqlite_url = f"sqlite:///{sqlite_file_name}"
-
-connect_args = {"check_same_thread": False}
-engine = create_engine(sqlite_url, echo=True, connect_args=connect_args)
-
-
-def create_db_and_tables():
-    SQLModel.metadata.create_all(engine)
-
-
-app = FastAPI()
-
-
-@app.on_event("startup")
-def on_startup():
-    create_db_and_tables()
-
-
-@app.post("/heroes/", response_model=Hero)
-def create_hero(hero: Hero):
-    with Session(engine) as session:
-        session.add(hero)
-        session.commit()
-        session.refresh(hero)
-        return hero
-
-
-@app.get("/heroes/", response_model=list[Hero])
-def read_heroes():
-    with Session(engine) as session:
-        heroes = session.exec(select(Hero)).all()
-        return heroes