Remove use of queue_depth

using queue.qsize() is more accurate

Author: bouwew

plugwise_usb/connection/manager.py

@@ -36,11 +36,6 @@ def __init__(self) -> None:
         ] = {}
         self._unsubscribe_stick_events: Callable[[], None] | None = None
 
-    @property
-    def queue_depth(self) -> int:
-        """Return estimated size of pending responses."""
-        return self._sender.processed_messages - self._receiver.processed_messages
-
     def correct_received_messages(self, correction: int) -> None:
         """Correct received messages count."""
         self._receiver.correct_processed_messages(correction)

plugwise_usb/connection/queue.py

@@ -196,12 +196,10 @@ async def _send_queue_worker(self) -> None:
                 self._submit_queue.task_done()
                 return
 
-            queue_depth = self._stick.queue_depth - self._submit_queue.dropped_msgs
             if self._submit_queue.qsize() > 3:
                 _LOGGER.warning(
                     "Awaiting responses (qsize) %d", self._submit_queue.qsize()
                 )
-                _LOGGER.warning("Awaiting responses (queu_depth) %d", queue_depth)
                 _LOGGER.warning("Queue contents: %s", self._submit_queue._queue)
                 _LOGGER.warning("Requests dropped: %d", self._submit_queue.dropped_msgs)
                 await sleep(0.125)