diff --git a/premise/ecoinvent_modification.py b/premise/ecoinvent_modification.py
index d2e73655..7511d943 100644
--- a/premise/ecoinvent_modification.py
+++ b/premise/ecoinvent_modification.py
@@ -137,7 +137,7 @@
 FILEPATH_RHENIUM = INVENTORY_DIR / "lci-rhenium.xlsx"
 FILEPATH_PGM = INVENTORY_DIR / "lci-PGM.xlsx"
 FILEPATH_VANADIUM = INVENTORY_DIR / "lci-vanadium.xlsx"
-FILEPATH_GERMANIUM = INVENTORY_DIR / 'lci-germanium.xlsx'
+FILEPATH_GERMANIUM = INVENTORY_DIR / "lci-germanium.xlsx"
 
 config = load_constants()
 
@@ -654,7 +654,7 @@ def __import_inventories(self, keep_uncertainty_data: bool = False) -> List[dict
             (FILEPATH_SYNGAS_INVENTORIES, "3.9"),
             (FILEPATH_SYNGAS_FROM_COAL_INVENTORIES, "3.7"),
             (FILEPATH_VANADIUM, "3.8"),
-            (FILEPATH_GERMANIUM,"3.9"),
+            (FILEPATH_GERMANIUM, "3.9"),
             (FILEPATH_BIOFUEL_INVENTORIES, "3.7"),
             (FILEPATH_SYNFUEL_INVENTORIES, "3.7"),
             (