fixing undefined method in mendeley details job
fixing undefined method in mendeley details job

In order to prevent the MendeleyDetails job from retrying when the
requested MendeleyPaper is not found. I've seen this a lot in the
Sidekiq log.

philippbayer/snpr,philippbayer/snpr,vivekiitkgp/snpr,openSNP/snpr,vivekiitkgp/snpr,gedankenstuecke/snpr,gedankenstuecke/snpr,philippbayer/snpr,openSNP/snpr,vivekiitkgp/snpr,openSNP/snpr,openSNP/snpr,philippbayer/snpr,gedankenstuecke/snpr,vivekiitkgp/snpr,gedankenstuecke/snpr