diff --git a/scripts/make_summary_perfect.py b/scripts/make_summary_perfect.py
index c1cce820..3ca2c170 100644
--- a/scripts/make_summary_perfect.py
+++ b/scripts/make_summary_perfect.py
@@ -2,7 +2,6 @@
 # SPDX-FileCopyrightText: : 2020-2023 The PyPSA-Eur Authors
 #
 # SPDX-License-Identifier: MIT
-
 """
 Create summary CSV files for all scenario runs with perfect foresight including
 costs, capacities, capacity factors, curtailment, energy balances, prices and
diff --git a/scripts/prepare_perfect_foresight.py b/scripts/prepare_perfect_foresight.py
index 99534104..81ee7285 100644
--- a/scripts/prepare_perfect_foresight.py
+++ b/scripts/prepare_perfect_foresight.py
@@ -2,7 +2,6 @@
 # SPDX-FileCopyrightText: : 2020-2023 The PyPSA-Eur Authors
 #
 # SPDX-License-Identifier: MIT
-
 """
 Concats pypsa networks of single investment periods to one network.
 """