use model function to get url
use model function to get url

EuroPython/epcon,matrixise/epcon,PythonSanSebastian/epcon,malemburg/epcon,artcz/epcon,barrachri/epcon,matrixise/epcon,PythonSanSebastian/epcon,barrachri/epcon,EuroPython/epcon,artcz/epcon,matrixise/epcon,matrixise/epcon,malemburg/epcon,matrixise/epcon,EuroPython/epcon,artcz/epcon,barrachri/epcon,artcz/epcon,artcz/epcon,barrachri/epcon,malemburg/epcon,matrixise/epcon,malemburg/epcon,malemburg/epcon,PythonSanSebastian/epcon,barrachri/epcon,barrachri/epcon,artcz/epcon,EuroPython/epcon,PythonSanSebastian/epcon,PythonSanSebastian/epcon,malemburg/epcon,PythonSanSebastian/epcon