Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/pipecat/runner/utils.py

@@ -161,7 +161,7 @@ async def parse_telephony_websocket(websocket: WebSocket):
             except json.JSONDecodeError:
                 first_message = {}
         except StopAsyncIteration:
-            logger.error("WebSocket closed without sending any messages")
+
             raise ValueError("WebSocket closed before receiving telephony handshake messages")
 
         # Second message

tests/test_runner_utils.py

@@ -6,7 +6,7 @@
 
 import json
 import unittest
-from unittest.mock import AsyncMock, MagicMock
+from unittest.mock import MagicMock
 
 from pipecat.runner.utils import parse_telephony_websocket