Determine if a method is in the wsdl.

    Args:
      method_name: The name of the method.

    Returns:
      True if the method is in the wsdl, otherwise False.

def _WsdlHasMethod(self, method_name):
    """Determine if a method is in the wsdl.

    Args:
      method_name: The name of the method.

    Returns:
      True if the method is in the wsdl, otherwise False.
    """
    try:
      self._method_bindings.get(method_name)
      return True
    except ValueError:
      return False