code: def handle_call(self, frame, argument_list):
          
          fun = frame.f_code.co_name
          log.info('Calling: %r' % fun)
  
          init = 'Echo|%s' % dump({
              'for':
                  '__call__',
              'val':
                  '%s(%s)' % (
                      fun, ', '.join([
                          '%s=%s' % (key, self.safe_better_repr(value))
                          for key, value in get_args(frame).items()
                      ])
                  )
          })
          self.interaction(
              frame, init=init, exception_description='Calling %s' % fun
          )
docs: This method is called when there is the remote possibility
          that we ever need to stop in this function.