diff --git a/tools/generate_doc_confpy.py b/tools/generate_doc_confpy.py
index 2939bdd..5dad68e 100644
--- a/tools/generate_doc_confpy.py
+++ b/tools/generate_doc_confpy.py
@@ -246,7 +246,7 @@ def process_repositories(args, service):
             if doc["type"] == "dev":
                 doc["type"] = "dev-guide"
             context["docs"].append(doc)
-        
+
         context["target_environment"] = args.target_environment
 
         tox_ini_content = tox_ini_template.render(**context)