找出这个生成的导出端点中的生命周期错误。
Python
from threading import Thread
from flask import Flask, request
app = Flask(__name__)
def build_export(output_format):
print(f"building {output_format}")
@app.post("/exports")
def start_export():
thread = Thread(
target=lambda: build_export(request.args["format"])
)
thread.start()
return {"status": "queued"}, 202