Fix sys.version_info errors.
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@ -1417,7 +1417,7 @@ class approx(object):
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def __repr__(self):
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def __repr__(self):
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from collections import Iterable
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from collections import Iterable
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utf_8 = lambda s: s.encode('utf-8') if sys.version_info.major == 2 else s
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utf_8 = lambda s: s.encode('utf-8') if sys.version_info[0] == 2 else s
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plus_minus = lambda x: utf_8(u'{0} \u00b1 {1:.1e}'.format(x, self._get_margin(x)))
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plus_minus = lambda x: utf_8(u'{0} \u00b1 {1:.1e}'.format(x, self._get_margin(x)))
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if isinstance(self.expected, Iterable):
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if isinstance(self.expected, Iterable):
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