eliminato try catch sbagliato in favore di un if
eliminato try catch sbagliato in favore di un if


Former-commit-id: fc78bfccfe567e334a5f7c41722f4a14ecbaf33a
artcz/epcon,malemburg/epcon,malemburg/epcon,PythonSanSebastian/epcon,pythonitalia/pycon_site,artcz/epcon,PythonSanSebastian/epcon,artcz/epcon,leriomaggio/pycon_site,matrixise/epcon,matrixise/epcon,leriomaggio/pycon_site,EuroPython/epcon,leriomaggio/pycon_site,malemburg/epcon,barrachri/epcon,barrachri/epcon,artcz/epcon,malemburg/epcon,leriomaggio/pycon_site,matrixise/epcon,pythonitalia/pycon_site,matrixise/epcon,barrachri/epcon,barrachri/epcon,EuroPython/epcon,pythonitalia/pycon_site,leriomaggio/pycon_site,artcz/epcon,EuroPython/epcon,pythonitalia/pycon_site,artcz/epcon,matrixise/epcon,barrachri/epcon,PythonSanSebastian/epcon,PythonSanSebastian/epcon,matrixise/epcon,PythonSanSebastian/epcon,pythonitalia/pycon_site,malemburg/epcon,EuroPython/epcon,barrachri/epcon,malemburg/epcon,PythonSanSebastian/epcon