why cant i run this script? it is supposed to stream pixels to a roblox screen

Question

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from flask_caching import Cache
from waitress import serve
from PIL import Image
from mss import mss
from math import sqrt
import threading
import time
import sys

WORDLIST = {sys.intern(w.upper()) for w in "wordlist"}

def color_distance(c1, c2):
    return sqrt(sum((x - y) ** 2 for x, y in zip(c1, c2)))

def get_close_colors(target_color, pixel_colors, threshold):
    return [c for c in pixel_colors if color_distance(c, target_color) <= threshold]

pixel_colors = None

def v(x):
    return sqrt(x)

def nl():
    return (i * i for i in range(1, 100) if i % 2 == 0)

def get_pixel_colors():
    with mss() as s:
        screenshot = s.grab(s.monitors[0])
    img = Image.frombytes("RGB", screenshot.size, screenshot.bgra, "raw", "BGRX")
    img = img.resize((125, 126))
    pixels = img.getdata()
    return list(pixels)

def update_pixel_colors():
    global pixel_colors
    while True:
        pixel_colors = (time.time(), get_pixel_colors())

app = Flask(name)
cache = Cache(app)

@app.route("/")
def index():
    return render_template("index.html")

@app.route("/test", methods=["POST", "GET"])
@cache.cached(timeout=60)
def test():
    if request.method == "GET":
        return jsonify(pixel_colors[1])
    else:
        return render_template("index.html")

if name == "main":
    threading.Thread(target=update_pixel_colors).start()
    serve(app, host="127.0.0.1", port="80")

do i need py py or smth

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