diff --git a/scripts/add_export.py b/scripts/add_export.py
index bb104429..527d4edc 100644
--- a/scripts/add_export.py
+++ b/scripts/add_export.py
@@ -15,9 +15,9 @@
 import logging
 import os
 from pathlib import Path
-import numpy as np
 
 import geopandas as gpd
+import numpy as np
 import pandas as pd
 import pypsa
 from helpers import locate_bus, override_component_attrs, prepare_costs