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GH-100805: Support numpy.array() in random.choice(). (GH-100830)

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(cherry picked from commit 9a68ff12c3)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
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Miss Islington (bot) 2023-01-08 12:04:49 -08:00 • committed by GitHub
parent 6c7e32f6a8
commit 6184b800ee
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3 changed files with 21 additions and 1 deletions
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5
Lib/random.py
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@ -366,7 +366,10 @@ class Random(_random.Random):
def choice(self, seq):
"""Choose a random element from a non-empty sequence."""
if not seq:
# As an accommodation for NumPy, we don't use "if not seq"
# because bool(numpy.array()) raises a ValueError.
if not len(seq):
raise IndexError('Cannot choose from an empty sequence')
return seq[self._randbelow(len(seq))]