Add the content type 'application/sparql-update' to the POST request header before sending the update query to a the SPARQL update endpoint
Add the content type 'application/sparql-update' to the POST request header before sending the update query to a the SPARQL update endpoint

RDFLib/rdflib,RDFLib/rdflib,RDFLib/rdflib,RDFLib/rdflib