class_docstr: Log-space in and out
code: def forward(self, obs: rlt.FeatureData):
      mlp_input = obs.get_ranking_state(self.has_user_feat)
      scores = self.mlp(mlp_input)
      return scores.squeeze(-1)
  
file_path: ReAgent/reagent/models/mlp_scorer.py
imports: import reagent.core.types
  import torch
  from reagent.models.base import ModelBase
label_desc: Use image node_id 2 for calling the MLPScorer obj's underlying member method code with example usage: obj.forward(obs) and returns: scores