MAINT: Fix non-void function does not return a value warning
MAINT: Fix non-void function does not return a value warning

rgommers/numpy,charris/numpy,mhvk/numpy,charris/numpy,endolith/numpy,endolith/numpy,mhvk/numpy,mattip/numpy,charris/numpy,anntzer/numpy,anntzer/numpy,numpy/numpy,mattip/numpy,anntzer/numpy,endolith/numpy,mhvk/numpy,mhvk/numpy,mhvk/numpy,charris/numpy,mattip/numpy,mattip/numpy,numpy/numpy,anntzer/numpy,rgommers/numpy,numpy/numpy,endolith/numpy,rgommers/numpy,rgommers/numpy,numpy/numpy