diff --git a/src/caf/distribute/gravity_model/single_area.py b/src/caf/distribute/gravity_model/single_area.py
index 91ec9b1..1484473 100644
--- a/src/caf/distribute/gravity_model/single_area.py
+++ b/src/caf/distribute/gravity_model/single_area.py
@@ -3,9 +3,10 @@
 # Built-Ins
 import logging
 import os
-from typing import Any, Optional
 import functools
 
+from typing import Any, Optional
+
 # Third Party
 import numpy as np
 from scipy import optimize