ruff: safe fixes

scripts/build_daily_heat_demand.py

@@ -9,7 +9,6 @@ Build heat demand time series using heating degree day (HDD) approximation.
 import atlite
 import geopandas as gpd
 import numpy as np
-import pandas as pd
 import xarray as xr
 from _helpers import get_snapshots, set_scenario_config
 from dask.distributed import Client, LocalCluster

scripts/build_energy_totals.py

@@ -8,7 +8,6 @@ Build total energy demands per country using JRC IDEES, eurostat, and EEA data.
 
 import logging
 import multiprocessing as mp
-import os
 from functools import partial
 
 import country_converter as coco

scripts/build_line_rating.py

@@ -55,7 +55,6 @@ import re
 import atlite
 import geopandas as gpd
 import numpy as np
-import pandas as pd
 import pypsa
 import xarray as xr
 from _helpers import configure_logging, get_snapshots, set_scenario_config

scripts/cluster_network.py

@@ -122,7 +122,6 @@ Exemplary unsolved network clustered to 37 nodes:
 """
 
 import logging
-import os
 import warnings
 from functools import reduce
 

scripts/prepare_perfect_foresight.py

@@ -7,7 +7,6 @@ Concats pypsa networks of single investment periods to one network.
 """
 
 import logging
-import re
 
 import numpy as np
 import pandas as pd

scripts/solve_network.py

@@ -31,7 +31,6 @@ import logging
 import os
 import re
 import sys
-from functools import reduce
 
 import numpy as np
 import pandas as pd