def str2actfunc(act_func):
    """Convert activation function name to tf function."""
    if act_func == 'sigmoid':
        return tf.nn.sigmoid

    elif act_func == 'tanh':
        return tf.nn.tanh

    elif act_func == 'relu':
        return tf.nn.relu
Convert activation function name to tf function.
yadlt/utils/utilities.py