add install requires back in to setup.py
add install requires back in to setup.py

quantopian/datashape,cpcloud/datashape,cowlicks/datashape,llllllllll/datashape,cpcloud/datashape,ContinuumIO/datashape,blaze/datashape,cowlicks/datashape,quantopian/datashape,llllllllll/datashape,blaze/datashape,ContinuumIO/datashape