backend/deep_convert.py

import numpy as np

def deep_convert(obj):
    if isinstance(obj, np.ndarray):
        return [deep_convert(x) for x in obj]
    elif isinstance(obj, dict):
        return {k: deep_convert(v) for k, v in obj.items()}
    elif isinstance(obj, list):
        return [deep_convert(x) for x in obj]
    else:
        return obj