There is no current event loop in thread

Environment

Python

Alpaca SDK Version
.48

Other Environment Details
Using alpaca_trade_api. I have my Alpaca key, etc as environment variables. I have no trouble with the REST API in the same app.

Problem

When running a websocket stream in another thread, I get the following error:
RuntimeError: There is no current event loop in thread ‘Thread-1’.

Paper or Live Tradng?
Paper

Example Code
Here’s my code:

app.py

    def start_listener():
        listener = alpaca.alpacaListener()
        listener.run()



    x = threading.Thread(target=start_listener, daemon=True)
    x.start()

alpaca.py

class alpacaListener (object):
    def __init__(self):
        self.api = API()
    
    def run(self):
        try:
            log.info('Initializing worker WebSocket Connection')
            conn = self.api.StreamConn
            
        except:        
            log.error('Unable to Initialize worker Websocket connection',exc_info=True)
        @conn.on(r'trade_updates')
        async def on_msg(conn, channel, data):
            print(data)
        conn.run(['trade_updates'])