add asyncs.MaybeAwait() - optionally awaitable coroutines

ircrobots/asyncs.py

@@ -0,0 +1,10 @@
+from typing import Any, Awaitable, Callable, Generator, Generic, TypeVar
+
+TEvent = TypeVar("TEvent")
+class MaybeAwait(Generic[TEvent]):
+    def __init__(self, func: Callable[[], Awaitable[TEvent]]):
+        self._func = func
+
+    def __await__(self) -> Generator[Any, None, TEvent]:
+        coro = self._func()
+        return coro.__await__()