class_docstr: GRU-based policy model.
      
class_docstr_tok: ["GRU-based","policy","model","."]
code: def __init__(self):
      self.fc1 = layers.fc(size=rnn_hidden_dim, name="fc1")
      self.gru = layers.GRUCell(hidden_size=rnn_hidden_dim, name="gru")
      self.fc2 = layers.fc(size=n_actions, name="fc2")
  
file_path: PARL/parl/core/fluid/tests/gru_cell_test_fluid.py
imports: from parl import layers
  from copy import deepcopy
  import unittest
  import paddle.fluid
  import parl
  from parl.utils import get_gpu_count
  import numpy
label_desc: Use image node_id 1 to create a new GRUModel object from inherited base classes: parl with example: obj = GRUModel()