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'numpy.ndarray' object has no attribute 'cosine_distance' #138

@jaffe-fly

Description

@jaffe-fly
async with self.async_session() as session:
        statement = select(Features).where(
            Features.stream_id == stream_id,
            Features.date == today,
            Features.feature_vector.is_not(None)
        )
        result = await session.execute(statement)
        features = result.scalars().all()
        print(features[0])
        duplicates = []
        for i, f1 in enumerate(features):
            for f2 in features[i+1:]:
                similarity = f1.feature_vector.cosine_distance(f2.feature_vector)
                cosine_similarity = 1 - similarity
                if cosine_similarity >= threshold:
                    duplicates.append({
                        "file1": f1.file_path,
                        "file2": f2.file_path,
                        "distance": float(cosine_similarity)
                    })

insert embedding type is python LIST

when get a feature

date=datetime.date(2025, 7, 23) stream_id='1426b25e-f561-4a80-9b5c-11da26a873e1' id=17 file_path='221540.png' feature_vector=array([ 0.05307889, -0.00182588,  0.04429955,  0.03629855, -0.02438672,
       -0.00863222,  0.02422031,  0.06754512,  0.06605434,  0.00082781,
       ..........
        0.03596665,  0.01975283,  0.03476083,  0.03682475,  0.00470952,
       -0.07983077,  0.00216867], dtype=float32) created=datetime.datetime(2025, 7, 23, 11, 29, 4, 713193)

why get this error?

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