TST: use condition for Azure 2.7 check
TST: use condition for Azure 2.7 check

* the Azure condition directive now
works just fine & is used in place
of a single-line jumble for Python
version checking in our CI now

jorisvandenbossche/numpy,madphysicist/numpy,seberg/numpy,mattip/numpy,rgommers/numpy,MSeifert04/numpy,mhvk/numpy,grlee77/numpy,seberg/numpy,jorisvandenbossche/numpy,pdebuyl/numpy,charris/numpy,rgommers/numpy,shoyer/numpy,ahaldane/numpy,pizzathief/numpy,WarrenWeckesser/numpy,madphysicist/numpy,grlee77/numpy,pbrod/numpy,simongibbons/numpy,shoyer/numpy,endolith/numpy,mhvk/numpy,ahaldane/numpy,jakirkham/numpy,WarrenWeckesser/numpy,MSeifert04/numpy,pizzathief/numpy,seberg/numpy,madphysicist/numpy,anntzer/numpy,pdebuyl/numpy,mattip/numpy,pbrod/numpy,endolith/numpy,pbrod/numpy,grlee77/numpy,numpy/numpy,shoyer/numpy,jakirkham/numpy,grlee77/numpy,simongibbons/numpy,rgommers/numpy,rgommers/numpy,MSeifert04/numpy,seberg/numpy,mhvk/numpy,jakirkham/numpy,charris/numpy,anntzer/numpy,MSeifert04/numpy,pizzathief/numpy,shoyer/numpy,mhvk/numpy,mattip/numpy,simongibbons/numpy,pdebuyl/numpy,WarrenWeckesser/numpy,MSeifert04/numpy,endolith/numpy,mattip/numpy,ahaldane/numpy,jorisvandenbossche/numpy,charris/numpy,pdebuyl/numpy,madphysicist/numpy,abalkin/numpy,jorisvandenbossche/numpy,mhvk/numpy,anntzer/numpy,simongibbons/numpy,madphysicist/numpy,ahaldane/numpy,pizzathief/numpy,abalkin/numpy,simongibbons/numpy,anntzer/numpy,numpy/numpy,pbrod/numpy,abalkin/numpy,endolith/numpy,jakirkham/numpy,ahaldane/numpy,charris/numpy,jakirkham/numpy,WarrenWeckesser/numpy,pizzathief/numpy,numpy/numpy,pbrod/numpy,jorisvandenbossche/numpy,shoyer/numpy,numpy/numpy,WarrenWeckesser/numpy,grlee77/numpy