Avoid a redirect
@@ -7,4 +7,4 @@ community_bridge: # Replace with a single Community Bridge project-name e.g., cl
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
-custom: https://pypi.org/sponsor # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
+custom: "https://pypi.org/sponsor/" # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
