more Python<3.9 compat

Author: rmorshea

src/idom/server/fastapi.py

@@ -201,7 +201,8 @@ async def _activate_dispatcher(self) -> None:
 
     async def _deactivate_dispatcher(self) -> None:  # pragma: no cover
         # for some reason this isn't getting run during testing
-        self._dispatch_daemon_future.cancel(f"{self} is shutting down")
+        logger.debug("Stopping dispatcher - server is shutting down")
+        self._dispatch_daemon_future.cancel()
         await asyncio.wait([self._dispatch_daemon_future])
 
     async def _run_dispatcher(

src/idom/server/sanic.py

@@ -1,5 +1,6 @@
 import asyncio
 import json
+import logging
 from threading import Event
 from typing import Any, Dict, Optional, Tuple, Union
 
@@ -20,6 +21,9 @@
 from .base import AbstractRenderServer
 
 
+logger = logging.getLogger(__name__)
+
+
 class Config(TypedDict, total=False):
     """Config for :class:`SanicRenderServer`"""
 
@@ -205,7 +209,8 @@ async def _activate_dispatcher(
     async def _deactivate_dispatcher(
         self, app: Sanic, loop: asyncio.AbstractEventLoop
     ) -> None:
-        self._dispatch_daemon_future.cancel(f"{self} is shutting down")
+        logger.debug("Stopping dispatcher - server is shutting down")
+        self._dispatch_daemon_future.cancel()
         await asyncio.wait([self._dispatch_daemon_future])
 
     async def _run_dispatcher(