src/transformers/models/funnel/modeling_tf_funnel.py/TFFunnelForQuestionAnswering/__init__
class TFFunnelForQuestionAnswering:    def __init__(self, config: FunnelConfig, *inputs, **kwargs) -> None:
        super().__init__(config, *inputs, **kwargs)
        self.num_labels = config.num_labels

        self.funnel = TFFunnelMainLayer(config, name="funnel")
        self.qa_outputs = tf.keras.layers.Dense(
            config.num_labels, kernel_initializer=get_initializer(config.initializer_range), name="qa_outputs"
        )