from transformers.models.t5.configuration_t5 import T5Config


class DecoderOnlyT5Config(T5Config):
    is_decoder_only = True
    # whether to call attention and mlp in parallel.
    # https://github.com/google/flaxformer/blob/ea17eb012a1d340ddff017b7a534c2162aaec34c/flaxformer/architectures/t5/t5_architecture.py#L384
    parallel_layers = True
    has_relative_attention_bias = False
    # https://arxiv.org/abs/1911.02150
    multi_query_attention = True