diff --git a/pathways/data_validation.py b/pathways/data_validation.py
index 5e791b7..98517b7 100644
--- a/pathways/data_validation.py
+++ b/pathways/data_validation.py
@@ -19,7 +19,9 @@
 )
 
 
-def validate_datapackage(datapackage: datapackage.DataPackage) -> (datapackage.DataPackage, pd.DataFrame, list):
+def validate_datapackage(
+    datapackage: datapackage.DataPackage,
+) -> (datapackage.DataPackage, pd.DataFrame, list):
     """
     Validate the datapackage.json file.
     The datapackage must be valid according to the Frictionless Data.
diff --git a/pathways/lca.py b/pathways/lca.py
index 69d4866..bc3abd4 100644
--- a/pathways/lca.py
+++ b/pathways/lca.py
@@ -121,8 +121,11 @@ def get_lca_matrices(
     # the model, scenario and year
     def filter_filepaths(suffix: str, contains: List[str]):
         return [
-            Path(fp) for fp in filepaths
-            if all(kw in fp for kw in contains) and Path(fp).suffix == suffix and Path(fp).exists()
+            Path(fp)
+            for fp in filepaths
+            if all(kw in fp for kw in contains)
+            and Path(fp).suffix == suffix
+            and Path(fp).exists()
         ]
 
     def select_filepath(keyword: str, fps):
diff --git a/pathways/pathways.py b/pathways/pathways.py
index e64ecf4..650d707 100644
--- a/pathways/pathways.py
+++ b/pathways/pathways.py
@@ -296,15 +296,12 @@ def process_region(data: Tuple) -> dict[str, ndarray[Any, dtype[Any]] | list[int
             year=year,
         )
 
-        share = (
-            demand
-            / scenarios.sel(
-                region=region,
-                model=model,
-                pathway=scenario,
-                year=year,
-            ).sum(dim="variables")
-        )
+        share = demand / scenarios.sel(
+            region=region,
+            model=model,
+            pathway=scenario,
+            year=year,
+        ).sum(dim="variables")
 
         # If the total demand is zero, return None
         if share < demand_cutoff:
@@ -547,7 +544,9 @@ class Pathways:
 
     def __init__(self, datapackage, debug=False):
         self.datapackage = datapackage
-        self.data, dataframe, self.filepaths = validate_datapackage(self.read_datapackage())
+        self.data, dataframe, self.filepaths = validate_datapackage(
+            self.read_datapackage()
+        )
         self.mapping = self.get_mapping()
         self.mapping.update(self.get_final_energy_mapping())
         self.debug = debug