diff --git a/rules/solve_electricity.smk b/rules/solve_electricity.smk
index e7b264f7..f73a5b0c 100644
--- a/rules/solve_electricity.smk
+++ b/rules/solve_electricity.smk
@@ -8,7 +8,9 @@ rule solve_network:
         solving=config["solving"],
         foresight=config["foresight"],
         planning_horizons=config["scenario"]["planning_horizons"],
-        co2_sequestration_potential=config["sector"].get("co2_sequestration_potential", 200),
+        co2_sequestration_potential=config["sector"].get(
+            "co2_sequestration_potential", 200
+        ),
     input:
         network=RESOURCES + "networks/elec_s{simpl}_{clusters}_ec_l{ll}_{opts}.nc",
     output:
diff --git a/rules/solve_myopic.smk b/rules/solve_myopic.smk
index 39567b92..086375c2 100644
--- a/rules/solve_myopic.smk
+++ b/rules/solve_myopic.smk
@@ -87,7 +87,9 @@ rule solve_sector_network_myopic:
         solving=config["solving"],
         foresight=config["foresight"],
         planning_horizons=config["scenario"]["planning_horizons"],
-        co2_sequestration_potential=config["sector"].get("co2_sequestration_potential", 200),
+        co2_sequestration_potential=config["sector"].get(
+            "co2_sequestration_potential", 200
+        ),
     input:
         overrides="data/override_component_attrs",
         network=RESULTS
diff --git a/rules/solve_overnight.smk b/rules/solve_overnight.smk
index 71ef075e..fc430f4d 100644
--- a/rules/solve_overnight.smk
+++ b/rules/solve_overnight.smk
@@ -8,7 +8,9 @@ rule solve_sector_network:
         solving=config["solving"],
         foresight=config["foresight"],
         planning_horizons=config["scenario"]["planning_horizons"],
-        co2_sequestration_potential=config["sector"].get("co2_sequestration_potential", 200),
+        co2_sequestration_potential=config["sector"].get(
+            "co2_sequestration_potential", 200
+        ),
     input:
         overrides="data/override_component_attrs",
         network=RESULTS
diff --git a/scripts/solve_network.py b/scripts/solve_network.py
index 90ff3a2e..ab1175ab 100644
--- a/scripts/solve_network.py
+++ b/scripts/solve_network.py
@@ -141,7 +141,14 @@ def add_co2_sequestration_limit(n, limit=200):
     )
 
 
-def prepare_network(n, solve_opts=None, config=None, foresight_param=None, planning_horizons_param=None, co2_sequestration_potential=None):
+def prepare_network(
+    n,
+    solve_opts=None,
+    config=None,
+    foresight_param=None,
+    planning_horizons_param=None,
+    co2_sequestration_potential=None,
+):
     if "clip_p_max_pu" in solve_opts:
         for df in (
             n.generators_t.p_max_pu,
@@ -681,7 +688,7 @@ if __name__ == "__main__":
         config=snakemake.config,
         foresight_param=snakemake.params["foresight"],
         planning_horizons_param=snakemake.params["planning_horizons"],
-        co2_sequestration_potential=snakemake.params["co2_sequestration_potential"]
+        co2_sequestration_potential=snakemake.params["co2_sequestration_potential"],
     )
 
     n = solve_network(