diff --git a/src/client_handler.py b/src/client_handler.py
index 81d890f..1efa26d 100644
--- a/src/client_handler.py
+++ b/src/client_handler.py
@@ -143,9 +143,7 @@ async def polling(self) -> None:
                 except asyncio.CancelledError:
                     return
                 except UnauthorizedError as error:
-                    client_handler_errors_metric.labels(
-                        type=type(error).__name__
-                    ).inc()
+                    client_handler_errors_metric.labels(type=type(error).__name__).inc()
                     log.info(f"session for {self.context.samoware_login} expired")
                     samoware_password = self.db.get_password(self.context.telegram_id)
                     if samoware_password is None:
@@ -166,9 +164,7 @@ async def polling(self) -> None:
                     log.warning(
                         f"retry_count={retry_count}. ClientOSError. Probably Broken pipe. Retrying in {HTTP_RETRY_DELAY_SEC} seconds. {str(error)}"
                     )
-                    client_handler_errors_metric.labels(
-                        type=type(error).__name__
-                    ).inc()
+                    client_handler_errors_metric.labels(type=type(error).__name__).inc()
                     retry_count += 1
                     await asyncio.sleep(HTTP_RETRY_DELAY_SEC)
                 except Exception as error:
@@ -176,9 +172,7 @@ async def polling(self) -> None:
                     log.warning(
                         f"retry_count={retry_count}. Retrying longpolling for {self.context.samoware_login} in {HTTP_RETRY_DELAY_SEC} seconds..."
                     )
-                    client_handler_errors_metric.labels(
-                        type=type(error).__name__
-                    ).inc()
+                    client_handler_errors_metric.labels(type=type(error).__name__).inc()
                     retry_count += 1
                     await asyncio.sleep(HTTP_RETRY_DELAY_SEC)
         finally: