Fixing qwen2. (#1818)

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Fixes # (issue)


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server/text_generation_server/models/flash_qwen2.py

@@ -4,7 +4,7 @@ import torch
 import torch.distributed
 
 from opentelemetry import trace
-from transformers.models.qwen2 import Qwen2Tokenizer
+from transformers import AutoTokenizer, AutoConfig
 from typing import Optional
 
 from text_generation_server.models.cache_manager import BLOCK_SIZE
@@ -15,7 +15,6 @@ from text_generation_server.models.flash_mistral import (
 from text_generation_server.models.custom_modeling.flash_qwen2_modeling import (
     Qwen2ForCausalLM,
 )
-from transformers.models.qwen2 import Qwen2Config
 from text_generation_server.utils import (
     initialize_torch_distributed,
     weight_files,
@@ -42,7 +41,7 @@ class FlashQwen2(BaseFlashMistral):
         else:
             raise NotImplementedError("FlashQwen2 is only available on GPU")
 
-        tokenizer = Qwen2Tokenizer.from_pretrained(
+        tokenizer = AutoTokenizer.from_pretrained(
             model_id,
             revision=revision,
             padding_side="left",
@@ -50,7 +49,7 @@ class FlashQwen2(BaseFlashMistral):
             trust_remote_code=trust_remote_code,
         )
 
-        config = Qwen2Config.from_pretrained(
+        config = AutoConfig.from_pretrained(
             model_id, revision=revision, trust_remote_code=trust_remote_code
         )
         config.quantize = quantize