# Edit C:Users[username]AppDataLocalProgramsPythonPython39Libsite-packages ornadoplatformasyncio.py
# Add the below code and it will work. May need to change Python39 to your version i.e Python 3.8 == Python38
import sys
if sys.platform == 'win32':
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())