docstr: get output variable
docstr_tok: ["get","output","variable"]
code: def outputs(self):
      "get output variable"
      raise NotImplementedError(self, self.outputs)
  
imports: import os
  import logging
  import paddle.fluid
label_desc: Use image node_id 5 for calling the ModelBase obj's underlying member method code with example usage: obj.outputs() without return types