Merge pull request #315 from xiaowan0322/fix/fx

zhifu gao

2023-03-30 55fb1f74580669793118d6373c89d8c3f7a0d8ef

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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)