m2m模型翻译
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from __future__ import print_function, unicode_literals, absolute_import
import sys
if sys.version_info[0] >= 3:
import collections
PY3 = True
def callable(x):
return isinstance(x, collections.Callable)
def execfile(fname, glob, loc=None):
loc = loc if (loc is not None) else glob
with open(fname) as fil:
txt = fil.read()
exec(compile(txt, fname, 'exec'), glob, loc)
unicode = str
bytes = bytes
from io import StringIO
else:
PY3 = False
callable = callable
execfile = execfile
bytes = str
unicode = unicode
from StringIO import StringIO