def find_loader(name, path=None):
    try:
        loader = sys.modules[name].__loader__
        if loader is None:
            raise ValueError('{}.__loader__ is None'.format(name))
        else:
            return loader
    except KeyError:
        pass
    return _bootstrap._find_module(name, path)
returns True if the runtime can be found
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/importlib/__init__.py/find_loader--crossover with--dataset/ETHPy150Open PyTables/PyTables/setup.py/Package.find_runtime_path