def start_stream(self, account: str, stream: TwitterStream, stream_props: dict) -> None:
"""
Starts a Twitter stream given an account
:param account: Twitter account
:param stream: Twitter stream object
:param stream_props: Twitter stream start parameters:
1. Filter term (i.e: 'Golden gate')
2. Filter coords (i.e: [-74,40,-73,41])
"""
# Stopping previous stream in case it existed
self.stop_stream(account)
self.set(account, stream)
stream.start(
filter_term=stream_props['filter_term'],
filter_coords=stream_props['filter_coords'],
filter_langs=('en',),
)
