This document contains 4 RDF triples in machine-readable format. I am giving the error message properly in the try block, but not in the except block." } ] , "http://www.w3.org/ns/prov#wasQuotedFrom" : [ { "@id": "blogspot.com"} ] } , { "@id": "http://webisa.webdatacommons.org/prov/364464323", "http://www.w3.org/ns/prov#wasDerivedFrom" : [ { "@id": "http://webisa.webdatacommons.org/69698896"} ] } ] }