Address review comment: Explain pip post-install.
Address review comment: Explain pip post-install.

1d4Nf6/flocker,lukemarsden/flocker,hackday-profilers/flocker,beni55/flocker,runcom/flocker,lukemarsden/flocker,1d4Nf6/flocker,mbrukman/flocker,Azulinho/flocker,runcom/flocker,lukemarsden/flocker,wallnerryan/flocker-profiles,moypray/flocker,agonzalezro/flocker,moypray/flocker,hackday-profilers/flocker,moypray/flocker,Azulinho/flocker,LaynePeng/flocker,LaynePeng/flocker,LaynePeng/flocker,Azulinho/flocker,adamtheturtle/flocker,jml/flocker,mbrukman/flocker,achanda/flocker,w4ngyi/flocker,wallnerryan/flocker-profiles,achanda/flocker,AndyHuu/flocker,adamtheturtle/flocker,beni55/flocker,jml/flocker,jml/flocker,1d4Nf6/flocker,runcom/flocker,hackday-profilers/flocker,agonzalezro/flocker,beni55/flocker,adamtheturtle/flocker,AndyHuu/flocker,mbrukman/flocker,wallnerryan/flocker-profiles,w4ngyi/flocker,AndyHuu/flocker,agonzalezro/flocker,achanda/flocker,w4ngyi/flocker