src/transformers/models/lxmert/modeling_tf_lxmert.py/TFLxmertLMPredictionHead/build
class TFLxmertLMPredictionHead:    def build(self, input_shape: tf.TensorShape):
        self.bias = self.add_weight(shape=(self.config.vocab_size,), initializer="zeros", trainable=True, name="bias")

        super().build(input_shape)