diff --git a/otc_metadata/services.py b/otc_metadata/services.py
index 95c2492f..5c7111f1 100644
--- a/otc_metadata/services.py
+++ b/otc_metadata/services.py
@@ -143,7 +143,9 @@ class Services(object):
                     "type": doc["type"],
                     "title": doc["title"]
                 }
-                type_exists = any(doc_dict["type"] == new_doc["type"] for doc_dict in docs)
+                type_exists = any(
+                    doc_dict["type"] == new_doc["type"] for doc_dict in docs
+                )
                 if not type_exists:
                     docs.append(new_doc)