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from __future__ import (absolute_import, division, print_function, 

unicode_literals) 

import sys 

 

 

IS_PYTHON2 = (sys.version_info[0] == 2) 

 

 

def b(s, encoding='ascii', errors='replace'): # pragma: no cover 

if IS_PYTHON2: 

return bytes(s) 

else: 

if isinstance(s, str): 

return bytes(s, encoding, errors) 

else: 

return s 

# return bytes(s, encoding, errors) 

 

 

def s(s): # pragma: no cover 

if IS_PYTHON2: 

return bytes(s) 

else: 

return s