diff options
Diffstat (limited to 'Lib/random.py')
| -rw-r--r-- | Lib/random.py | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Lib/random.py b/Lib/random.py index 1006908..b2c0d6f 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -371,19 +371,19 @@ class Random(_random.Random): """ random = self.random + n = len(population) if cum_weights is None: if weights is None: _int = int - total = len(population) - return [population[_int(random() * total)] for i in range(k)] + return [population[_int(random() * n)] for i in range(k)] cum_weights = list(_itertools.accumulate(weights)) elif weights is not None: raise TypeError('Cannot specify both weights and cumulative weights') - if len(cum_weights) != len(population): + if len(cum_weights) != n: raise ValueError('The number of weights does not match the population') bisect = _bisect.bisect total = cum_weights[-1] - hi = len(cum_weights) - 1 + hi = n - 1 return [population[bisect(cum_weights, random() * total, 0, hi)] for i in range(k)] |