def _create_variables(self, n_features):
        """Create the TensorFlow variables for the model.

        :param n_features: number of features
        :return: self
        """
        if self.do_pretrain:
            self._create_variables_pretrain()
        else:
            self._create_variables_no_pretrain(n_features)
Create the TensorFlow variables for the model.

        :param n_features: number of features
        :return: self
        
yadlt/models/autoencoders/deep_autoencoder.py