DOC: Integrate: Move `numpy` import to top of examples section.
DOC: Integrate: Move `numpy` import to top of examples section.

andyfaff/scipy,anntzer/scipy,rgommers/scipy,scipy/scipy,mdhaber/scipy,ilayn/scipy,anntzer/scipy,andyfaff/scipy,anntzer/scipy,andyfaff/scipy,Stefan-Endres/scipy,ilayn/scipy,endolith/scipy,endolith/scipy,anntzer/scipy,mdhaber/scipy,endolith/scipy,Stefan-Endres/scipy,endolith/scipy,WarrenWeckesser/scipy,ilayn/scipy,perimosocordiae/scipy,mdhaber/scipy,endolith/scipy,andyfaff/scipy,rgommers/scipy,andyfaff/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,scipy/scipy,anntzer/scipy,perimosocordiae/scipy,endolith/scipy,WarrenWeckesser/scipy,ilayn/scipy,mdhaber/scipy,rgommers/scipy,scipy/scipy,rgommers/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,ilayn/scipy,mdhaber/scipy,scipy/scipy,rgommers/scipy,ilayn/scipy,andyfaff/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,anntzer/scipy,mdhaber/scipy,perimosocordiae/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,scipy/scipy