comet
08/28/2020, 2:29 AMUnexpected error: AttributeError("'NoneType' object has no attribute 'is_finished'")
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/prefect/engine/runner.py", line 48, in inner
new_state = method(self, state, *args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/prefect/engine/task_runner.py", line 359, in check_upstream_finished
if not all(s.is_finished() for s in all_states):
File "/usr/local/lib/python3.7/site-packages/prefect/engine/task_runner.py", line 359, in <genexpr>
if not all(s.is_finished() for s in all_states):
AttributeError: 'NoneType' object has no attribute 'is_finished'
any comment?Marwan Sarieddine
10/28/2020, 1:45 PM