[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

openlibrary/plugins/openlibrary/api.py

@@ -882,7 +882,7 @@ def GET(self, subject_key):
         web.header('Content-Type', 'application/opds+json')
         return delegate.RawText(json.dumps(catalog.model_dump()))
 
-        
+
 class opds_home(delegate.page):
     path = r"/opds"