fix: fix asyncio task scheduling for websocket ping (#402)

* fix: fix asyncio task scheduling for websocket ping

* formatting

* linting

openevsehttp/__main__.py

@@ -239,8 +239,9 @@ def _start_listening(self):
             _LOGGER.debug("Using new event loop...")
 
         if not self._ws_listening:
+            _LOGGER.debug("Setting up websocket ping...")
+            self._loop.create_task(self.repeat(300, self.websocket.keepalive))
             self._loop.create_task(self.websocket.listen())
-            self._loop.create_task(self.repeat(300, self.websocket.keepalive()))
             pending = asyncio.all_tasks()
             self._ws_listening = True
             try:
@@ -311,10 +312,8 @@ async def repeat(self, interval, func, *args, **kwargs):
         *args and **kwargs are passed as the arguments to func.
         """
         while True:
-            await asyncio.gather(
-                func(*args, **kwargs),
-                asyncio.sleep(interval),
-            )
+            await asyncio.sleep(interval)
+            await func(*args, **kwargs)
 
     async def get_schedule(self) -> Union[Dict[str, str], Dict[str, Any]]:
         """Return the current schedule."""