Not support new version transformers

[zzk2021]

-- coding: utf-8 --

from transformers.models.qwen2.modeling_qwen2 import *
from transformers.modeling_attn_mask_utils import _prepare_4d_causal_attention_mask, _prepare_4d_causal_attention_mask_for_sdpa
from transformers.modeling_outputs import TokenClassifierOutput
from .config import BiLLM_START_INDEX, logger
_CONFIG_FOR_DOC = "Qwen2Config"
from transformers.utils.doc import add_start_docstrings
@add_start_docstrings(
"The bare Qwen2 Model outputting raw hidden-states without any specific head on top.",
QWEN2_START_DOCSTRING,
)

there is no QWEN2_START_DOCSTRING in transformers==4.52.0