Be more specific that NotImplementedError.
Be more specific that NotImplementedError.

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