- 'api_token' => Thread.current[:arvados_api_token] || '',
- 'reader_tokens' => (Thread.current[:reader_tokens] || []).to_json,
+ 'api_token' => tokens[:arvados_api_token] || Thread.current[:arvados_api_token] || '',
+ 'reader_tokens' => (tokens[:reader_tokens] || Thread.current[:reader_tokens] || []).to_json,