MAINT: lib: A few PEP-8 fixes.
MAINT: lib: A few PEP-8 fixes.

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