Refactor nearest.
Refactor nearest.

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