langchain/document_loaders/blob_loaders/__init__.py

from langchain.document_loaders.blob_loaders.file_system import FileSystemBlobLoader
from langchain.document_loaders.blob_loaders.schema import Blob, BlobLoader
from langchain.document_loaders.blob_loaders.youtube_audio import YoutubeAudioLoader

__all__ = ["BlobLoader", "Blob", "FileSystemBlobLoader", "YoutubeAudioLoader"]