diff --git a/application/utils/spreadsheet_parsers.py b/application/utils/spreadsheet_parsers.py
index be36be71..867b0f42 100644
--- a/application/utils/spreadsheet_parsers.py
+++ b/application/utils/spreadsheet_parsers.py
@@ -333,7 +333,7 @@ def update_cre_in_links(
 
 
 def parse_hierarchical_export_format(
-    cre_file: List[Dict[str, str]]
+    cre_file: List[Dict[str, str]],
 ) -> Dict[str, List[defs.Document]]:
     """parses the main OpenCRE csv and creates a list of standards in it