SSeclient needs to be installed per the following log upon dry running rcwatcher.py.
Traceback (most recent call last): File "rcwatcher.py", line 57, in <module> main() File "rcwatcher.py", line 52, in main run_watcher() File "rcwatcher.py", line 35, in run_watcher rc = site_rc_listener(site) File "/usr/local/lib/python3.8/site-packages/pywikibot/comms/eventstreams.py", line 345, in site_rc_listener raise ImportError('sseclient is required for EventStreams;\n' ImportError: sseclient is required for EventStreams; install it with "pip install sseclient"