[NPU][1/N] NPU basic functions refactor and new modelslim quant type (#13359)

python/sglang/srt/models/qwen3.py

@@ -30,13 +30,7 @@ from sglang.srt.model_loader.weight_utils import (
 from sglang.srt.models.qwen2 import Qwen2MLP as Qwen3MLP
 from sglang.srt.models.qwen2 import Qwen2Model
 from sglang.srt.server_args import get_global_server_args
-from sglang.srt.utils import (
-    add_prefix,
-    get_cmo_stream,
-    is_cuda,
-    is_npu,
-    wait_cmo_stream,
-)
+from sglang.srt.utils import add_prefix, is_cuda, is_npu
 
 Qwen3Config = None
 
@@ -47,6 +41,8 @@ _is_npu = is_npu()
 if _is_npu:
     from sgl_kernel_npu.norm.split_qkv_rmsnorm_rope import split_qkv_rmsnorm_rope
 
+    from sglang.srt.hardware_backend.npu.cmo import get_cmo_stream, wait_cmo_stream
+
 
 class Qwen3Attention(nn.Module):
     def __init__(