code: def shh_newFilter(self, to=None, *, topics):
          
          obj = {
              'to': to,
              'topics': topics,
          }
          warnings.warn('deprecated', DeprecationWarning)
          return (yield from self.rpc_call('shh_newFilter', [obj]))
docs: https://github.com/ethereum/wiki/wiki/JSON-RPC#shh_newfilter
  
          DEPRECATED