[Lint] Add python/sglang to ruff F401 checks and remove unused imports in files (#11685)

python/sglang/srt/lora/backend/triton_backend.py

@@ -11,7 +11,6 @@ from sglang.srt.lora.triton_ops import (
 )
 from sglang.srt.lora.utils import LoRABatchInfo
 from sglang.srt.model_executor.forward_batch_info import ForwardBatch
-from sglang.srt.server_args import ServerArgs
 
 
 class TritonLoRABackend(BaseLoRABackend):

python/sglang/srt/lora/eviction_policy.py

@@ -20,7 +20,7 @@ import logging
 import time
 from abc import ABC, abstractmethod
 from collections import OrderedDict
-from typing import Any, Dict, List, Optional, Set
+from typing import Optional, Set
 
 logger = logging.getLogger(__name__)
 

python/sglang/srt/lora/lora_manager.py

@@ -16,7 +16,7 @@
 # and "Punica: Multi-Tenant LoRA Serving"
 
 import logging
-from typing import Dict, Iterable, List, Optional, Set, Tuple
+from typing import Dict, Iterable, List, Optional
 
 import torch