fix ruff TRY401

Author: threcc

tests/model_serving/model_server/llmd/utils.py

@@ -292,8 +292,8 @@ def send_prefix_cache_requests(
             status, _ = send_chat_completions(llmisvc=llmisvc, prompt=prompt, token=token, insecure=False)
             if status == 200:
                 successful += 1
-        except Exception as e:  # noqa: BLE001
-            LOGGER.exception(f"Request {i + 1}/{count} failed: {e}")
+        except Exception:  # noqa: BLE001
+            LOGGER.exception(f"Request {i + 1}/{count} failed")
     LOGGER.info(f"{successful}/{count} requests succeeded")
     assert successful >= count * min_ratio, f"Too many failures: {successful}/{count} (need {min_ratio * 100}%)"
     return successful