update docs

speech_asr

2023-02-23 4a8c293f6b6e94c772052466f2b926f4da107343

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# -*- coding: utf-8 -*-
 
 
try:
    strtype = basestring
except NameError:
    strtype = str
 
 
def to_s(val):
    try:
        return unicode(val)
    except NameError:
        return str(val)