fix decode error when building and get rid of warn
fix decode error when building and get rid of warn

mhvk/numpy,anntzer/numpy,rgommers/numpy,grlee77/numpy,seberg/numpy,jakirkham/numpy,anntzer/numpy,mhvk/numpy,numpy/numpy,pbrod/numpy,mattip/numpy,madphysicist/numpy,numpy/numpy,anntzer/numpy,endolith/numpy,simongibbons/numpy,pbrod/numpy,grlee77/numpy,rgommers/numpy,simongibbons/numpy,jakirkham/numpy,grlee77/numpy,mhvk/numpy,mattip/numpy,madphysicist/numpy,simongibbons/numpy,madphysicist/numpy,endolith/numpy,rgommers/numpy,charris/numpy,mhvk/numpy,seberg/numpy,seberg/numpy,charris/numpy,madphysicist/numpy,mhvk/numpy,simongibbons/numpy,pdebuyl/numpy,simongibbons/numpy,mattip/numpy,jakirkham/numpy,grlee77/numpy,pbrod/numpy,jakirkham/numpy,anntzer/numpy,pdebuyl/numpy,numpy/numpy,pbrod/numpy,seberg/numpy,madphysicist/numpy,jakirkham/numpy,numpy/numpy,mattip/numpy,rgommers/numpy,grlee77/numpy,charris/numpy,charris/numpy,pbrod/numpy,endolith/numpy,pdebuyl/numpy,pdebuyl/numpy,endolith/numpy