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@@ -148,12 +148,8 @@ class PdfStructureExtractor:
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Returns:
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{"chapters": [...], "total_chapters": N} 或 None
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"""
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- # 延迟导入避免循环依赖
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- try:
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- from .toc_detector import TOCCatalogExtractor
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- except ImportError:
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- logger.warning("[PDF提取] toc_detector 模块未找到，跳过目录检测")
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- return None
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+ # 延迟导入避免循环依赖（YOLO依赖必须存在，否则报错）
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+ from .toc_detector import TOCCatalogExtractor
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if self._toc_extractor is None:
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self._toc_extractor = TOCCatalogExtractor(
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