asyncio.get_event_loop() will not implicitly create a new event loop in a future version of Python, so we need to do that explicitly. ``` webrtc_sendrecv.py:188: DeprecationWarning: There is no current event loop loop = asyncio.get_event_loop() ``` Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1821>