Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

[BUG] Restarting script with interval 0 yields ZeroDivisionError

See original GitHub issue

Describe the bug

Calling self.restart(interval=0, repeats=0, start_delay=False) on a script seems to be resulting in a ZeroDivisionError.

Environment, Evennia version, OS etc

Evennia version: 0.9.0 (rev a27a8c3d)
         OS: posix
         Python: 3.7.6
         Twisted: 19.10.0
         Django: 2.2.9

Additional context

20-01-27 20:45:33 Unhandled error in Deferred:
20-01-27 20:45:33 Unhandled Error
        Traceback (most recent call last):
          File "/home/ubuntu/CLOWN/lib/python3.7/site-packages/twisted/internet/defer.py", line 151, in maybeDeferred
            result = f(*args, **kw)
          File "/home/ubuntu/workspace/evennia/evennia/server/amp_client.py", line 236, in server_receive_adminportal2server
            server_sessionhandler.server.shutdown(mode="reload")
          File "/home/ubuntu/CLOWN/lib/python3.7/site-packages/twisted/internet/defer.py", line 1613, in unwindGenerator
            return _cancellableInlineCallbacks(gen)
          File "/home/ubuntu/CLOWN/lib/python3.7/site-packages/twisted/internet/defer.py", line 1529, in _cancellableInlineCallbacks
            _inlineCallbacks(None, g, status)
        --- <exception caught here> ---
          File "/home/ubuntu/CLOWN/lib/python3.7/site-packages/twisted/internet/defer.py", line 1418, in _inlineCallbacks
            result = g.send(result)
          File "/home/ubuntu/workspace/evennia/evennia/server/server.py", line 418, in shutdown
            for s in ScriptDB.get_all_cached_instances()
          File "/home/ubuntu/workspace/evennia/evennia/server/server.py", line 419, in <listcomp>
            if s.is_active or s.attributes.has("_manual_pause")
          File "/home/ubuntu/workspace/evennia/evennia/scripts/scripts.py", line 517, in pause
            self.db._paused_time = task.next_call_time()
          File "/home/ubuntu/workspace/evennia/evennia/scripts/scripts.py", line 141, in next_call_time
            return interval - (total_runtime % self.interval)
        builtins.ZeroDivisionError: float modulo