Envoi de paramètre vers un web service en python

Python Help
1

i want help for my code, i am sending parameters to a web service from python with zeep tool, it gives me an error.
this is my code

session = Session()
session.auth = HTTPBasicAuth(‘00014255’, ‘xwQNxB3g2e3cbV’)
client = Client(“https://wholesalers-preprod.bimedia-it.com/srdws/srdtel.php?wsdl”, transport=Transport(session=session))
#request_data={‘COMCOD’:‘00014255’,‘TPVCOD’:‘00017538’,‘IP’:‘102.67.201.132’,‘NOM_OPERATEUR’:‘’,‘PSW_OPERATEUR’:‘’,‘NUM_OPERATEUR’:‘’,‘timeStamp’:datetime.now(),‘codeProduit’:‘VECTON20’,‘nombreUnites’:1,‘typeOperation’:‘C’,‘referenceClient’:‘+33753808445’,‘referenceDestination’:‘’,‘champOptionnel’:‘’}

#reponse = client.service.SRDWebServiceTel(request_data)
reponse =client.service.Tel(
            COMCOD='00014255', 
            TPVCOD='00017538', 
            IP='102.67.201.132', 
            NOM_OPERATEUR='', 
            PSW_OPERATEUR='', 
            NUM_OPERATEUR='', 
            timeStamp=datetime.now(), 
            codeProduit='VECTON20', 
            nombreUnites=1, 
            typeOperation='C', 
            referenceClient='+33753808445', 
            referenceDestination='', 
            champOptionnel=''
    )
print(reponse)    
return HttpResponse(reponse)