Exception: No ports defined: Service - wdsl without binding, how to handle?

[andreabisello]

hi
running this code

from suds.client import Client as SudsClient
client = SudsClient("https://testwslegalmobile.solutiondocondemand.com/Service.svc?singlewsdl")
answer = client.service.Login(
        wspassword="xxx",
        loginParams={
            "username":"username",
            "password":"password"
        }
    )

i obtain

Exception: No ports defined: Service

ah a print(client) give me

Suds ( https://github.com/cackharot/suds-py3 )  version: 1.4.1.0 IN  build: 20200421

Service ( Service ) tns="http://tempuri.org/"
   Prefixes (3)
      ns0 = "http://schemas.datacontract.org/2004/07/WSLegalMobile.Models"
      ns1 = "http://schemas.datacontract.org/2004/07/WSLegalMobile.ModelsRequest"
      ns2 = "http://schemas.microsoft.com/2003/10/Serialization/"
   Ports (0):
--------------------------------------------------------------------------------

same result using soapui windows client,i think the problem is related with the wsdl, there is any binding in the wsdl code, how to handle this situation?

thanks