[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

scripts/add_existing_baseyear.py

@@ -21,9 +21,9 @@
     update_config_from_wildcards,
 )
 from add_electricity import sanitize_carriers
+from build_energy_totals import cartesian
 from definitions.heat_system import HeatSystem
 from prepare_sector_network import cluster_heat_buses, define_spatial, prepare_costs
-from build_energy_totals import cartesian
 
 logger = logging.getLogger(__name__)
 cc = coco.CountryConverter()
@@ -87,7 +87,9 @@ def add_existing_renewables(df_agg, costs):
         gen_i = n.generators.query("carrier == @carrier").index
         carrier_gens = n.generators.loc[gen_i]
         res_capacities = []
-        for country, group in carrier_gens.groupby(carrier_gens.bus.map(n.buses.country)):
+        for country, group in carrier_gens.groupby(
+            carrier_gens.bus.map(n.buses.country)
+        ):
             fraction = group.p_nom_max / group.p_nom_max.sum()
             res_capacities.append(cartesian(df.loc[country], fraction))
         res_capacities = pd.concat(res_capacities, axis=1).T

scripts/solve_network.py

@@ -128,11 +128,7 @@ def add_land_use_constraint(n):
     ]:
         ext_i = (n.generators.carrier == carrier) & ~n.generators.p_nom_extendable
         grouper = n.generators.loc[ext_i].index.str.split(" ").str[:3].str.join(" ")
-        existing = (
-            n.generators.loc[ext_i, "p_nom"]
-            .groupby(grouper)
-            .sum()
-        )
+        existing = n.generators.loc[ext_i, "p_nom"].groupby(grouper).sum()
         existing.index += " " + carrier + "-" + snakemake.wildcards.planning_horizons
         n.generators.loc[existing.index, "p_nom_max"] -= existing