BUILD: in conda, pin setuptools to a known working version
BUILD: in conda, pin setuptools to a known working version

mhvk/numpy,mhvk/numpy,pdebuyl/numpy,jakirkham/numpy,rgommers/numpy,seberg/numpy,anntzer/numpy,pdebuyl/numpy,charris/numpy,jakirkham/numpy,mattip/numpy,pdebuyl/numpy,mattip/numpy,jakirkham/numpy,jakirkham/numpy,mhvk/numpy,mattip/numpy,endolith/numpy,anntzer/numpy,seberg/numpy,numpy/numpy,seberg/numpy,charris/numpy,mattip/numpy,rgommers/numpy,endolith/numpy,charris/numpy,mhvk/numpy,jakirkham/numpy,seberg/numpy,pdebuyl/numpy,numpy/numpy,mhvk/numpy,charris/numpy,rgommers/numpy,numpy/numpy,endolith/numpy,endolith/numpy,anntzer/numpy,numpy/numpy,rgommers/numpy,anntzer/numpy