old_contents: 
  from rpclib.model.fault import Fault
  
  class ResourceNotFoundError(Fault):
      """Raised when the requested resource was not found."""
      def __init__(self, faultstring="Requested resource not found"):
          Fault.__init__(self, 'Client.ResourceNotFound', faultstring)
  
  class RequestTooLongError(Fault):
      """Raised when the request is too long."""
      def __init__(self, faultstring):
          Fault.__init__(self, 'Client.RequestTooLong', faultstring)
  
  class ArgumentError(Fault):
      """Raised when there is a general problem with input data."""
      def __init__(self, faultstring):
          Fault.__init__(self, 'Client.ArgumentError', faultstring)
  
  class ValidationError(Fault):
      """Raised when the input stream did not adhere to type constraints."""
      def __init__(self, faultstring):
          Fault.__init__(self, 'Client.ValidationError',
                          'The string %r could not be validated.' % faultstring)
  
new_contents: 
  from rpclib.model.fault import Fault
  
  class ResourceNotFoundError(Fault):
      """Raised when the requested resource was not found."""
      def __init__(self, faultstring="Requested resource not found"):
          Fault.__init__(self, 'Client.ResourceNotFound', faultstring)
  
  class RequestTooLongError(Fault):
      """Raised when the request is too long."""
      def __init__(self, faultstring=""):
          Fault.__init__(self, 'Client.RequestTooLong', faultstring)
  
  class RequestNotAllowed(Fault):
      """Raised when the request is incomplete."""
      def __init__(self, faultstring=""):
          Fault.__init__(self, 'Client.RequestNotAllowed', faultstring)
  
  class ArgumentError(Fault):
      """Raised when there is a general problem with input data."""
      def __init__(self, faultstring=""):
          Fault.__init__(self, 'Client.ArgumentError', faultstring)
  
  class ValidationError(Fault):
      """Raised when the input stream did not adhere to type constraints."""
      def __init__(self, faultstring):
          Fault.__init__(self, 'Client.ValidationError',
                          'The string %r could not be validated.' % faultstring)
  
subject: add RequestNotAllowed error. #119