if b'rpclisten' in contents.keys():
rpclisten = contents[b'rpclisten'].decode()
-access = AuthServiceProxy("http://"+rpcuser+":"+rpcpassword+"@"+rpclisten+":"+rpcport+"/")
+access = AuthServiceProxy('http://%s:%s@%s:%d/' % (rpcuser, rpcpassword, rpclisten, int(rpcport)))
for node in json.loads(data.decode()):
print ('Adding', node)