TypeError: cannot unpack non-iterable NoneType object

[sven-hash]

Stacktrace

mixnet_state_1  | Traceback (most recent call last):
mixnet_state_1  |   File "/usr/local/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
mixnet_state_1  |     self.run()
mixnet_state_1  |   File "/usr/local/lib/python3.10/threading.py", line 953, in run
mixnet_state_1  |     self._target(*self._args, **self._kwargs)
mixnet_state_1  |   File "/endpoint.py", line 115, in update
mixnet_state_1  |     schedule.run_pending()
mixnet_state_1  |   File "/usr/local/lib/python3.10/site-packages/schedule/__init__.py", line 780, in run_pending
mixnet_state_1  |     default_scheduler.run_pending()
mixnet_state_1  |   File "/usr/local/lib/python3.10/site-packages/schedule/__init__.py", line 100, in run_pending
mixnet_state_1  |     self._run_job(job)
mixnet_state_1  |   File "/usr/local/lib/python3.10/site-packages/schedule/__init__.py", line 172, in _run_job
mixnet_state_1  |     ret = job.run()
mixnet_state_1  |   File "/usr/local/lib/python3.10/site-packages/schedule/__init__.py", line 661, in run
mixnet_state_1  |     ret = self.job_func()
mixnet_state_1  |   File "/mixnet.py", line 82, in getPacketsMixnode
mixnet_state_1  |     asyncio.run(self.getConcurrentPacketsMixed())
mixnet_state_1  |   File "/usr/local/lib/python3.10/asyncio/runners.py", line 44, in run
mixnet_state_1  |     return loop.run_until_complete(main)
mixnet_state_1  |   File "/usr/local/lib/python3.10/asyncio/base_events.py", line 646, in run_until_complete
mixnet_state_1  |     return future.result()
mixnet_state_1  |   File "/mixnet.py", line 95, in getConcurrentPacketsMixed
mixnet_state_1  |     epochTimeChangeFromStart,epochTimeChange = utils.getNextEpoch(fromStart=True)
mixnet_state_1  | TypeError: cannot unpack non-iterable NoneType object