import threading
from pynput import keyboard

IS_START = False

def get_start():
    return IS_START

def listener_keyword():
    def on_press(key):
        global IS_START
        try:
            if key.char == "=":
                IS_START = not IS_START
                print(f"IS_START: {IS_START}")
        except AttributeError:
            pass
    with keyboard.Listener(on_press=on_press) as listener:
        listener.join()
threading.Thread(target=listener_keyword).start()