pico pi code for a DHT22 sensor

pico.py

from machine import Pin
from dht import DHT22
import urequests as requests
import network
import ujson
import utime
import gc

SSID=''
WIFI_PASS=''
HEADERS = {
        "Content-type": "application/json",
        "User-agent": "pico-dht22/conservatory"
         }
POST_URL='https://putsreq.com/whatever'
INTERVAL=10
DATA_PIN=22

def connect_wifi():
    led = Pin("LED", Pin.OUT)
    wifi = network.WLAN(network.STA_IF)
    
    if not wifi.active():
        wifi.active(True)
    
    if not wifi.isconnected():
        led.off()
        wifi.connect(SSID, WIFI_PASS)
    
    while not wifi.isconnected():
        pass
    led.on()
    
def measure_send():
    
    
    sensor.measure()
    data = {
        "time": utime.time(),
        "celsius": sensor.temperature(),
        "humidity": sensor.humidity()
    }

    requests.post(POST_URL, data=ujson.dumps(data), headers=HEADERS).close()
    

led = Pin("LED", Pin.OUT)
sensor = DHT22(Pin(DATA_PIN))

while True:
    gc.collect()
    connect_wifi()
    try:
        measure_send()
    except:
        pass
    utime.sleep(INTERVAL)