code: def get_flat_weights(self):
      weights = list(self.get_weights().values())[0]
      flat_weights = np.concatenate([x.flatten() for x in weights])
      return flat_weights
  
file_path: PARL/benchmark/fluid/ES/mujoco_agent.py
imports: import numpy
  import paddle.fluid
  import parl
  import utils
  from parl import layers
  from optimizers import Adam
label_desc: Use image node_id 5 for calling the MujocoAgent obj's underlying member method code with example usage: obj.get_flat_weights() and returns: flat_weights