Sync-up minor code edits with the default branch.
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@ -42,7 +42,7 @@ from types import MethodType as _MethodType, BuiltinMethodType as _BuiltinMethod
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from math import log as _log, exp as _exp, pi as _pi, e as _e, ceil as _ceil
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from math import sqrt as _sqrt, acos as _acos, cos as _cos, sin as _sin
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from os import urandom as _urandom
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import collections as _collections
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from collections import Set as _Set, Sequence as _Sequence
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from hashlib import sha512 as _sha512
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__all__ = ["Random","seed","random","uniform","randint","choice","sample",
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@ -293,10 +293,10 @@ class Random(_random.Random):
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# preferred since the list takes less space than the
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# set and it doesn't suffer from frequent reselections.
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if isinstance(population, _collections.Set):
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if isinstance(population, _Set):
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population = tuple(population)
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if not isinstance(population, _collections.Sequence):
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raise TypeError("Population must be a sequence or Set. For dicts, use list(d).")
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if not isinstance(population, _Sequence):
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raise TypeError("Population must be a sequence or set. For dicts, use list(d).")
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randbelow = self._randbelow
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n = len(population)
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if not 0 <= k <= n:
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