streaming data : RuntimeError This event loop is already running

[Baappii]

I get runtime error while trying to stream data. Any help pls? . Running .py in jupyter notebook.

C:\ProgramData\Anaconda3\lib\asyncio\base_events.py in run_until_complete(self, future)
590 """
591 self._check_closed()
--> 592 self._check_running()
593
594 new_task = not futures.isfuture(future)

C:\ProgramData\Anaconda3\lib\asyncio\base_events.py in _check_running(self)
550 def _check_running(self):
551 if self.is_running():
--> 552 raise RuntimeError('This event loop is already running')
553 if events._get_running_loop() is not None:
554 raise RuntimeError(

RuntimeError: This event loop is already running

[Baappii]

https://github.com/areed1192/td-ameritrade-python-api/blob/master/samples/api_streaming.py
OK, i was able to execute streaming service, by adding lines as below to my code:

import websockets
from websockets import client
import nest_asyncio
nest_asyncio.apply()