diff --git a/openlibrary/plugins/upstream/mybooks.py b/openlibrary/plugins/upstream/mybooks.py
index bf4f775f5148..ee0fac5451a6 100644
--- a/openlibrary/plugins/upstream/mybooks.py
+++ b/openlibrary/plugins/upstream/mybooks.py
@@ -296,7 +296,9 @@ def render(
             elif is_logged_in_user and self.key == "loan_history":
                 account = OpenLibraryAccount.get(username=logged_in_username)
                 s3_keys = web.ctx.site.store.get(account._key).get('s3_keys')
-                template_data = self.process_loan_history_data(page=page, s3_keys=s3_keys)
+                template_data = self.process_loan_history_data(
+                    page=page, s3_keys=s3_keys
+                )
 
                 return render['account/books'](
                     docs=template_data.get('editions', []),
@@ -312,7 +314,7 @@ def render(
                     q=q,
                     results_per_page=template_data['limit'],
                     show_next=template_data['show_next'],
-                    page=template_data.get('page', '')
+                    page=template_data.get('page', ''),
                 )
 
             else:
@@ -366,8 +368,7 @@ def process_loan_history_data(self, page: int, s3_keys: dict[str, str]):
         ocaids = [loan_record['identifier'] for loan_record in loan_history]
         availability = get_availability_of_ocaids(ocaids)
         loan_history_map = {
-            loan_record['identifier']: loan_record
-            for loan_record in loan_history
+            loan_record['identifier']: loan_record for loan_record in loan_history
         }
         editions = web.ctx.site.get_many(
             [
@@ -379,7 +380,7 @@ def process_loan_history_data(self, page: int, s3_keys: dict[str, str]):
 
         # Handle case where no loaned books on this page are in OL and there are more pages.
         if not editions and show_next:
-            return self.process_loan_history_data(page=page+1, s3_keys=s3_keys)
+            return self.process_loan_history_data(page=page + 1, s3_keys=s3_keys)
 
         for i, ed in enumerate(editions):
             if ed.ocaid in ocaids:
@@ -387,7 +388,6 @@ def process_loan_history_data(self, page: int, s3_keys: dict[str, str]):
                 editions[i].availability = availability.get(ed.ocaid)
                 editions[i].loan = loan_history_map[ed.ocaid]
 
-
         template_data = {
             'editions': editions,
             'doc_count': len(loan_history_map),
@@ -398,7 +398,6 @@ def process_loan_history_data(self, page: int, s3_keys: dict[str, str]):
 
         return template_data
 
-
     def _prepare_data(
         self,
         logged_in_user,