2020-03-20 23:04:24,291 ERROR Execution failed
..., line 373, in run
if last_entry_date_retrieved is not None and last_entry_date_retrieved > last_entry_date:
TypeError: '>' not supported between instances of 'time.struct_time' and 'NoneType'
In syndication.py line 343 last_entry_date can be set to None. I suppose this is happening here and later in the code the comparison fails.