fix promo_video, adesso viene riproposto quando si edita un talk
fix promo_video, adesso viene riproposto quando si edita un talk

malemburg/epcon,matrixise/epcon,PythonSanSebastian/epcon,yakky/conference,PythonSanSebastian/epcon,malemburg/epcon,pythonitalia/conference,artcz/epcon,PythonSanSebastian/conference,matrixise/epcon,artcz/epcon,PythonSanSebastian/epcon,barrachri/epcon,PythonSanSebastian/epcon,malemburg/epcon,barrachri/epcon,matrixise/epcon,EuroPython/epcon,artcz/epcon,PythonSanSebastian/epcon,barrachri/epcon,PythonSanSebastian/conference,pythonitalia/conference,barrachri/epcon,PythonSanSebastian/conference,matrixise/epcon,yakky/conference,artcz/epcon,malemburg/epcon,matrixise/epcon,matrixise/epcon,pythonitalia/conference,artcz/epcon,artcz/epcon,malemburg/epcon,EuroPython/epcon,EuroPython/epcon,PythonSanSebastian/epcon,barrachri/epcon,malemburg/epcon,EuroPython/epcon,barrachri/epcon