[model] DBRX-instruct support (#337)

python/sglang/srt/models/stablelm.py

@@ -5,12 +5,11 @@ model compatible with HuggingFace weights."""
 from typing import Optional, Tuple
 
 import torch
-from torch import nn
-from transformers import PretrainedConfig
-
 from sglang.srt.layers.logits_processor import LogitsProcessor
 from sglang.srt.layers.radix_attention import RadixAttention
 from sglang.srt.managers.router.model_runner import InputMetadata
+from torch import nn
+from transformers import PretrainedConfig
 from vllm.model_executor.layers.activation import SiluAndMul
 from vllm.model_executor.layers.linear import (
     LinearMethodBase,
@@ -20,8 +19,8 @@ from vllm.model_executor.layers.linear import (
 )
 from vllm.model_executor.layers.rotary_embedding import get_rope
 from vllm.model_executor.layers.vocab_parallel_embedding import (
-    VocabParallelEmbedding,
     ParallelLMHead,
+    VocabParallelEmbedding,
 )
 from vllm.model_executor.parallel_utils.parallel_state import (
     get_tensor_model_parallel_world_size,