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concurrent.futures.wait calls len() on an possible iterable #86104
Description
| BPO | 41938 |
|---|---|
| Nosy | @rohitkg98 |
| PRs |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2020-10-05.02:02:57.246>
labels = ['type-bug', 'library', '3.10']
title = 'concurrent.futures.wait calls len() on an possible iterable'
updated_at = <Date 2020-10-05.02:35:35.432>
user = 'https://github.com/rohitkg98'bugs.python.org fields:
activity = <Date 2020-10-05.02:35:35.432>
actor = 'rohitkg98'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-10-05.02:02:57.246>
creator = 'rohitkg98'
dependencies = []
files = []
hgrepos = []
issue_num = 41938
keywords = ['patch']
message_count = 1.0
messages = ['377991']
nosy_count = 1.0
nosy_names = ['rohitkg98']
pr_nums = ['22555']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41938'
versions = ['Python 3.10']
Activity
rohitkg98 commentedon Oct 5, 2020
fsargument could be an iterable, and calling len on it would raise an Exception.We are converting
fsinto a set anyways for set difference, and that too twice. we can just put anfs = set(fs).Let me know if we choose to go with that and I will make a PR ASAP.
Thanks.