diff --git a/api/onnx_web/worker/pool.py b/api/onnx_web/worker/pool.py
index c657feb3..29947039 100644
--- a/api/onnx_web/worker/pool.py
+++ b/api/onnx_web/worker/pool.py
@@ -297,13 +297,13 @@ class DevicePoolExecutor:
                 except Empty:
                     logger.trace("empty queue in leaking worker for device %s", device)
                 except ValueError as e:
-                    logger.debug("value error in leaking worker for device %s: %s", device, e)
+                    logger.debug(
+                        "value error in leaking worker for device %s: %s", device, e
+                    )
                     break
                 except Exception:
                     logger.exception("error in leaking worker for device %s", device)
 
-
-
             self.leaking[:] = [dw for dw in self.leaking if dw[1].is_alive()]
 
     def recycle(self):