diff --git a/aiomisc/thread_pool.py b/aiomisc/thread_pool.py
index 578826c4..f680b538 100644
--- a/aiomisc/thread_pool.py
+++ b/aiomisc/thread_pool.py
@@ -24,6 +24,7 @@
 P = ParamSpec("P")
 T = TypeVar("T")
 F = TypeVar("F", bound=Callable[..., Any])
+
 log = logging.getLogger(__name__)