diff --git a/scripts/add_existing_baseyear.py b/scripts/add_existing_baseyear.py
index 269705a7..08810470 100644
--- a/scripts/add_existing_baseyear.py
+++ b/scripts/add_existing_baseyear.py
@@ -447,8 +447,11 @@ def add_heating_capacities_installed_before_baseyear(
             )
             # if rural heating demand for one of the nodes doesn't exist,
             # then columns were dropped before and heating demand share should be 0.0
-            if all(f"{node} {service} rural heat" in p_set_sum.index for service in ["residential", "services"])
-            else 0.
+            if all(
+                f"{node} {service} rural heat" in p_set_sum.index
+                for service in ["residential", "services"]
+            )
+            else 0.0
             for node in nodal_df.index
         ],
         index=nodal_df.index,
diff --git a/scripts/build_industrial_distribution_key.py b/scripts/build_industrial_distribution_key.py
index 63299570..bc4a26bc 100644
--- a/scripts/build_industrial_distribution_key.py
+++ b/scripts/build_industrial_distribution_key.py
@@ -13,13 +13,14 @@ logger = logging.getLogger(__name__)
 import uuid
 from itertools import product
 
+import country_converter as coco
 import geopandas as gpd
 import pandas as pd
 from packaging.version import Version, parse
 
-import country_converter as coco
 cc = coco.CountryConverter()
 
+
 def locate_missing_industrial_sites(df):
     """
     Locate industrial sites without valid locations based on city and