drp_tasks is a package in the LSST Science Pipelines.
PipelineTasks that are used only in data release pipelines (not alert or calibration production). Note that many tasks that fit this description remain in pipe_tasks. for historical reasons.
The package namespace itself is mostly empty. Each specific processing tool must be imported directly from the module; for instance,
from lsst.drp.tasks.assemble_coadd import AssembleCoaddTask