code: def get_params(self):
          '''Get the parameters for this object.  Returns as a dict.'''
  
          out = {}
          out['__class__'] = self.__class__
          out['params'] = dict(steps=[])
  
          for name, step in self.steps:
              out['params']['steps'].append([name, step.get_params(deep=True)])
  
          return ouf get_params(self):
          '''Get the parameters for this object.  Returns as a dict.'''
  
          out = {}
          out['__class__'] = self.__class__
          out['params'] = dict(steps=[])
  
          for name, step in self.steps:
              out['params']['steps'].append([name, step.get_params(deep=True)])
  
          return out
docs: Get the parameters for this object.  Returns as a dict.