separately lock iter and get_partition
separately lock iter and get_partition

ContinuumIO/dask,jakirkham/dask,freeman-lab/dask,wiso/dask,mrocklin/dask,mikegraham/dask,minrk/dask,freeman-lab/dask,jakirkham/dask,blaze/dask,marianotepper/dask,chrisbarber/dask,jcrist/dask,cowlicks/dask,gameduell/dask,dask/dask,pombredanne/dask,PhE/dask,cpcloud/dask,clarkfitzg/dask,esc/dask,vikhyat/dask,marianotepper/dask,vikhyat/dask,hainm/dask,minrk/dask,blaze/dask,PhE/dask,jayhetee/dask,ssanderson/dask,hainm/dask,clarkfitzg/dask,wiso/dask,simudream/dask,ssanderson/dask,simudream/dask,pombredanne/dask,jcrist/dask,ContinuumIO/dask,mraspaud/dask,mraspaud/dask,mrocklin/dask,jayhetee/dask,dask/dask,esc/dask