<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def empirical_SVD(stream_list, linear=True):
 """ Depreciated. Use empirical_svd. """

    warnings.warn('Depreciated, use empirical_svd instead.')
    return empirical_svd(stream_list=stream_list, linear=linear)