diff --git a/geopackage_validator/validate.py b/geopackage_validator/validate.py
index 92c0264..3efda3e 100644
--- a/geopackage_validator/validate.py
+++ b/geopackage_validator/validate.py
@@ -102,7 +102,8 @@ def validate(
 
     if len(errHandler.gdal_error_traces):
         initial_gdal_traces = [
-            errHandler.gdal_error_traces.pop() for _ in range(len(errHandler.gdal_error_traces))
+            errHandler.gdal_error_traces.pop()
+            for _ in range(len(errHandler.gdal_error_traces))
         ]
         initial_gdal_errors = [
             format_result(
@@ -166,7 +167,8 @@ def validate(
             validation_error = True
             success = False
         current_gdal_error_traces = [
-            errHandler.gdal_error_traces.pop() for _ in range(len(errHandler.gdal_error_traces))
+            errHandler.gdal_error_traces.pop()
+            for _ in range(len(errHandler.gdal_error_traces))
         ]
         if current_gdal_error_traces:
             success = False
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 6ad2b2f..ad6b724 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -45,7 +45,9 @@ def gdal_error_handler(err_class, err_num, error):
 
     dataset = open_dataset("tests/data/test_gdal_error.gpkg", gdal_error_handler)
     with dataset.silence_gdal():
-        validations = dataset.ExecuteSQL('select rtreecheck("rtree_cbs_arbeidsmarktregio_2014_gegeneraliseerd_geom_parent");')
+        validations = dataset.ExecuteSQL(
+            'select rtreecheck("rtree_cbs_arbeidsmarktregio_2014_gegeneraliseerd_geom_parent");'
+        )
     dataset.ReleaseResultSet(validations)
     assert len(results) == 0