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strange list.sort() behavior on import, del and inport again #50141

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dstemmer mannequin opened this issue May 1, 2009 · 2 comments
Closed

strange list.sort() behavior on import, del and inport again #50141

dstemmer mannequin opened this issue May 1, 2009 · 2 comments

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@dstemmer
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Mannequin

dstemmer mannequin commented May 1, 2009

BPO 5891

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 = <Date 2009-05-01.06:28:45.686>
created_at = <Date 2009-05-01.04:50:56.497>
labels = []
title = 'strange list.sort() behavior on import, del and inport again'
updated_at = <Date 2009-05-01.06:28:45.674>
user = 'https://bugs.python.org/dstemmer'

bugs.python.org fields:

activity = <Date 2009-05-01.06:28:45.674>
actor = 'loewis'
assignee = 'none'
closed = True
closed_date = <Date 2009-05-01.06:28:45.686>
closer = 'loewis'
components = []
creation = <Date 2009-05-01.04:50:56.497>
creator = 'dstemmer'
dependencies = []
files = []
hgrepos = []
issue_num = 5891
keywords = []
message_count = 2.0
messages = ['86861', '86863']
nosy_count = 1.0
nosy_names = ['dstemmer']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue5891'
versions = ['Python 2.6']
@dstemmer
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Mannequin Author

dstemmer mannequin commented May 1, 2009

Given two modules, I've seen the following kind of strange behavior with
list sorting on import and delete; a list that has been imported, sorted
and deleted remains sorted on a second import:

my_module.py:

some_list = ['b','a']

other_module.py:

from  my_module import some_list
print some_list
some_list.sort()
print some_list
del some_list
from  my_module import some_list
print some_list

Output is:

['b','a']
['a','a']
['a','b']

Sorry if it's already been reported.

@dstemmer
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Mannequin Author

dstemmer mannequin commented May 1, 2009

EDIT: delete this, duplicate post

@loewis loewis mannequin closed this as completed May 1, 2009
@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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