Handle more Expr warnings.
Handle more Expr warnings.

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