Using wsdl in pysimplesoap
Probably that is because you must be using ver 1.10. 

Try
 
a. comment out the line where you set trace = True or trace = False.
Trace has been probably removed in ver 1.10.

Or

b. revert back to version 1.05a
Not able to view debugged output and when tried with trace, gives an error:init() got an unexpected keyword argument 'trace'