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

python/sglang/srt/function_call/glm4_moe_detector.py

@@ -6,11 +6,7 @@ from typing import List
 
 from sglang.srt.entrypoints.openai.protocol import Tool
 from sglang.srt.function_call.base_format_detector import BaseFormatDetector
-from sglang.srt.function_call.core_types import (
-    StreamingParseResult,
-    StructureInfo,
-    _GetInfoFunc,
-)
+from sglang.srt.function_call.core_types import StreamingParseResult, _GetInfoFunc
 from sglang.srt.function_call.ebnf_composer import EBNFComposer
 
 logger = logging.getLogger(__name__)

python/sglang/srt/function_call/json_array_parser.py

@@ -1,5 +1,3 @@
-import json
-import re
 from typing import List
 
 from sglang.srt.entrypoints.openai.protocol import Tool

python/sglang/srt/function_call/utils.py

@@ -1,4 +1,3 @@
-import json
 from json import JSONDecodeError, JSONDecoder
 from json.decoder import WHITESPACE
 from typing import Any, List, Literal, Optional, Tuple, Union