TST: fixed dtype check error from code review
TST: fixed dtype check error from code review

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