diff --git a/tests/unit/test_unit_smhi.py b/tests/unit/test_unit_smhi.py
index ad064b3..382cb25 100644
--- a/tests/unit/test_unit_smhi.py
+++ b/tests/unit/test_unit_smhi.py
@@ -1,10 +1,12 @@
 """SMHI unit tests."""
 
 from unittest.mock import MagicMock, patch
+
 import pytest
-from smhi.smhi import SMHI
 import pandas as pd
 
+from smhi.smhi import SMHI
+
 
 class TestUnitSMHI:
     """Unit tests for SMHI class."""
@@ -152,7 +154,7 @@ def test_find_stations_by_city(
         Args:
         """
         client = SMHI()
-        data = client._find_stations_by_city(parameter, city, distance)
+        _ = client._find_stations_by_city(parameter, city, distance)
         mock_nominatim.assert_called_once()
 
     @pytest.mark.parametrize("distance", [(0), (50)])