udim commented on a change in pull request #14916:
URL: https://github.com/apache/beam/pull/14916#discussion_r643477751
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File path: sdks/python/apache_beam/io/iobase.py
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@@ -1226,17 +1226,13 @@ def _finalize_write(
class _RoundRobinKeyFn(core.DoFn):
- def __init__(self, count):
- # type: (int) -> None
- self.count = count
-
def start_bundle(self):
- self.counter = random.randint(0, self.count - 1)
+ self.counter = random.random()
- def process(self, element):
- self.counter += 1
- if self.counter >= self.count:
- self.counter -= self.count
+ def process(self, element, count):
+ if self.counter < 1:
Review comment:
I believe this was written to initialize self.counter, but it will also
be true every time `(1 + self.counter) % count` is zero. Instead, you could
initialize `self.counter = None` in start_bundle and check for None on this
line.
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