langchain/document_loaders/blob_loaders/file_system.py/FileSystemBlobLoader/_yield_paths
class FileSystemBlobLoader:    def _yield_paths(self) -> Iterable[Path]:
        """Yield paths that match the requested pattern."""
        paths = self.path.glob(self.glob)
        for path in paths:
            if path.is_file():
                if self.suffixes and path.suffix not in self.suffixes:
                    continue
                yield path