code: def _get_optimizer(self):
      return tf.keras.optimizers.RMSprop(
          lr=0.001, rho=0.9, epsilon=None, decay=0.0
      )
  
file_path: model_search/model_search/ops/svdf_conv_test.py
imports: from absl import logging
  from model_search.ops import svdf_conv
  import numpy
  from six.moves import range
  import tensorflow.compat.v1
label_desc: Use image node_id 4 for calling the SvdfConvLayerTest obj's underlying member method code with example usage: obj._get_optimizer() and returns: tf