Avoid the double-lookup on scd[docType] too.
Avoid the double-lookup on scd[docType] too.

acmiyaguchi/data-pipeline,whd/data-pipeline,sapohl/data-pipeline,sapohl/data-pipeline,whd/data-pipeline,mozilla-services/data-pipeline,mozilla-services/data-pipeline,acmiyaguchi/data-pipeline,mozilla-services/data-pipeline,acmiyaguchi/data-pipeline,whd/data-pipeline,sapohl/data-pipeline,mozilla-services/data-pipeline,sapohl/data-pipeline,whd/data-pipeline,acmiyaguchi/data-pipeline