update server for argsparser

huangmingming

2023-01-29 c4d60d9a237d97d68db352d5b3e3be9c332d0d79

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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)