Get the matrices from a pickled files.

    Returns
    -------
    list
        List of all matrices.

def get_matrices():
    """
    Get the matrices from a pickled files.

    Returns
    -------
    list
        List of all matrices.
    """
    with open('hwrt/misc/is_one_symbol_classifier.pickle', 'rb') as f:
        a = pickle.load(f)

    arrays = []
    for el1 in a.input_storage:
        for el2 in el1.__dict__['storage']:
            if isinstance(el2, cuda.CudaNdarray):
                arrays.append({'storage': numpy.asarray(el2),
                               'name': el1.name})
            else:
                logging.warning("was type %s. Do nothing." % type(el2))
                logging.debug(el1.name)
    return arrays