Shutdown not completing request about microdot HOT 11 CLOSED

from microdot import Microdot

# Create webserver
app = Microdot()

@app.before_request
async def authenticate(request):
    headers = request.headers
    # Format `Authorization: Bearer <api_token>`
    if "Authorization" not in headers:
        return "Unauthorized", 401
    if "Bearer" not in headers["Authorization"]:
        return "Unauthorized", 401
    api_token = headers["Authorization"].split(" ")[1]
    if api_token != API_TOKEN:
        return "Unauthorized", 401
    
@app.get("/")
async def index(request):
    return "Hello, world!"

@app.post("/open")
async def open(request):
    # open the connected door/barrier
    opener.open(1)
    return "OK"

@app.get("/shutdown")
async def shutdown(request):
    if DEBUG:
        request.app.shutdown()
        return "The server is shutting down..."
    return "Shutting down the server is prohibited during live mode!", 403

if not DEBUG:
    print("Starting webserver...")
    app.run(port=8000)

from main import app
app.run(port=8000)

# This file is executed on every boot (including wake-boot from deepsleep)
import esp
esp.osdebug(0)
# garbage collection
import gc
gc.collect()

from nic import Nic
from opener import Opener

# Global Constants
API_TOKEN = "api_key"
# NOTE: set this to True only for developing purposes to stop webserver
DEBUG = True

# connect to network
# NOTE: comment this if you don't connect to a network
nic = Nic()

# initialise modules
opener = Opener()

from microdot import Microdot

# Create webserver
app = Microdot()

@app.before_request
async def authenticate(request):
    headers = request.headers
    # Format `Authorization: Bearer <api_token>`
    if "Authorization" not in headers:
        return "Unauthorized", 401
    if "Bearer" not in headers["Authorization"]:
        return "Unauthorized", 401
    api_token = headers["Authorization"].split(" ")[1]
    if api_token != API_TOKEN:
        return "Unauthorized", 401
    
@app.get("/")
async def index(request):
    return "Hello, world!"

@app.post("/open")
async def open(request):
    # open the connected door/barrier
    opener.open(1)
    return "OK"

@app.get("/shutdown")
async def shutdown(request):
    if DEBUG:
        request.app.shutdown()
        return "The server is shutting down..."
    return "Shutting down the server is prohibited during live mode!", 403


def run():
    print("Starting webserver...")
    app.run(port=8000)

MicroPython >>> run()

Starting webserver...

* The program has been interrupted!

ets Jun  8 2016 00:22:57

rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3fff0030,len:4728
load:0x40078000,len:14888
load:0x40080400,len:3368
entry 0x400805cc
�[0;32mI (778) system_api: Base MAC address is not set�[0m
�[0;32mI (788) system_api: read default base MAC address from EFUSE�[0m
�[0;32mI (808) esp_eth.netif.netif_glue: 80:64:6f:e9:c2:d3�[0m
�[0;32mI (808) esp_eth.netif.netif_glue: ethernet attached to netif�[0m
�[0;32mI (2508) ethernet: Ethernet Started�[0m
�[0;32mConnIectin g to (netwo2rk...508) ethernet: Ethernet Link Up�[0m

�[0;32mI (3508) ethernet: Ethernet Got IP�[0m
�[0;32mI (3508) esp_netif_handlers: eth ip: 192.168.178.44, mask: 255.255.255.0, gw: 192.168.178.1n�[0m
etwork config:  ('192.168.178.44', '255.255.255.0', '192.168.178.1', '192.168.178.1')
MicroPython v1.22.1 on 2024-01-05; Generic ESP32 module with ESP32
Type "help()" for more information.

* ESP32 has been reset!

MicroPython >>> run()