diff options
-rw-r--r-- | Lib/random.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/random.py b/Lib/random.py index 0df2664..3a835ae 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -518,7 +518,15 @@ class Random(_random.Random): floor = _floor n += 0.0 # convert to float for a small speed improvement return [population[floor(random() * n)] for i in _repeat(None, k)] - cum_weights = list(_accumulate(weights)) + try: + cum_weights = list(_accumulate(weights)) + except TypeError: + if not isinstance(weights, int): + raise + k = weights + raise TypeError( + f'The number of choices must be a keyword argument: {k=}' + ) from None elif weights is not None: raise TypeError('Cannot specify both weights and cumulative weights') if len(cum_weights) != n: |