Avoid infinite loop with bucket listing and encoding_type='url'
remove forgotten pdb invocation.
Revert "remove forgotten pdb invocation."

This reverts commit a544fb7d53aa09489cf237ffdce76c595e2732ba.
remove forgotten pdb invocation
Merge pull request #2562 from kouk/bucketlisturlencoding

Avoid infinite loop with bucket listing and encoding_type='url'. Fixes #2562, #2561.