-from ..hdl.ast import (Signal, Statement, Delay as Delay,
+from ..hdl.ast import (Signal, Delay as Delay,
Tick as Tick, Passive as Passive, Assign, Value)
from typing import Any, Iterable, Generator, Union, Callable, Optional
-__all__ = ["Simulator", "Delay", "Tick", "Passive", "DeadlineError"]
+__all__ = ["Simulator", "Delay", "Tick", "Passive"]
ProcessCommand = Union[Delay, Tick, Passive, Assign, Value]
ProcessGenerator = Generator[ProcessCommand, Union[int, None], None]