diff --git a/rules/common.smk b/rules/common.smk
index 0e85b620..2298ff91 100644
--- a/rules/common.smk
+++ b/rules/common.smk
@@ -4,7 +4,7 @@
 
 import os, sys, glob
 
-helper_source_path = [match for match in glob.glob('**/_helpers.py', recursive=True)]
+helper_source_path = [match for match in glob.glob("**/_helpers.py", recursive=True)]
 
 for path in helper_source_path:
     path = os.path.dirname(os.path.abspath(path))
diff --git a/scripts/add_brownfield.py b/scripts/add_brownfield.py
index e151c441..cb1f51c8 100644
--- a/scripts/add_brownfield.py
+++ b/scripts/add_brownfield.py
@@ -133,9 +133,7 @@ def disable_grid_expansion_if_LV_limit_hit(n):
 
     # allow small numerical differences
     if lv_limit - total_expansion < 1:
-        logger.info(
-            f"LV is already reached, disabling expansion and LV limit"
-        )
+        logger.info(f"LV is already reached, disabling expansion and LV limit")
         extendable_acs = n.lines.query("s_nom_extendable").index
         n.lines.loc[extendable_acs, "s_nom_extendable"] = False
         n.lines.loc[extendable_acs, "s_nom"] = n.lines.loc[extendable_acs, "s_nom_min"]
diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 79bc67e9..8a45da2e 100644
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -3000,8 +3000,9 @@ def add_industry(n, costs):
 
     if options["co2_spatial"] or options["co2network"]:
         p_set = (
-            -industrial_demand.loc[nodes, "process emission"]
-            .rename(index=lambda x: x + " process emissions")
+            -industrial_demand.loc[nodes, "process emission"].rename(
+                index=lambda x: x + " process emissions"
+            )
             / nhours
         )
     else:
@@ -3414,6 +3415,7 @@ def cluster_heat_buses(n):
         pnl = c.pnl
         agg = define_clustering(pd.Index(pnl.keys()), aggregate_dict)
         for k in pnl.keys():
+
             def renamer(s):
                 return s.replace("residential ", "").replace("services ", "")
 
diff --git a/scripts/solve_network.py b/scripts/solve_network.py
index 203d8b0f..aa802ea8 100644
--- a/scripts/solve_network.py
+++ b/scripts/solve_network.py
@@ -856,7 +856,7 @@ def solve_network(n, config, solving, opts="", **kwargs):
     kwargs["assign_all_duals"] = cf_solving.get("assign_all_duals", False)
 
     if kwargs["solver_name"] == "gurobi":
-        logging.getLogger('gurobipy').setLevel(logging.CRITICAL)
+        logging.getLogger("gurobipy").setLevel(logging.CRITICAL)
 
     rolling_horizon = cf_solving.pop("rolling_horizon", False)
     skip_iterations = cf_solving.pop("skip_iterations", False)