diff --git a/datacube_ows/utils.py b/datacube_ows/utils.py
index 499dcc6a..f0ce14f1 100644
--- a/datacube_ows/utils.py
+++ b/datacube_ows/utils.py
@@ -8,6 +8,7 @@
 from functools import wraps
 from time import monotonic
 from typing import Any, Callable, List, Optional, TypeVar
+
 import pytz
 
 F = TypeVar('F', bound=Callable[..., Any])