Description

serhiy-storchaka

opened on Aug 13, 2026

Issue body actions

Bug report

Three tests in test_import leave files in the current directory:

$ ./python -m test --fail-env-changed test_import -m test.test_import.ImportTests.test_import
Warning -- files was modified by test_import
Warning --   Before: []
Warning --   After:  ['__pycache__/']
Result: ENV CHANGED

• ImportTests.test_import and ImportTracebackTests.test_unencodable_filename import a temporary script and do not remove the __pycache__ directory created for it.
• ImportTests.test_import_in_del_does_not_crash creates a script with make_script() and never unlinks it, leaving @test_<pid>_tmpæ.py.

Running the whole file passes: the leftovers are removed by other tests before the environment is checked.

Linked PRs

• gh-155731: Clean up files left by test_import #155735
• [3.15] gh-155731: Clean up files left by test_import (GH-155735) #155739
• [3.14] gh-155731: Clean up files left by test_import (GH-155735) #155740
• [3.13] gh-155731: Clean up files left by test_import (GH-155735) #155741

Reacted by Victor Stinner

Activity

1. serhiy-storchaka

   added

   type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

   testsTests in the Lib/test dirTests in the Lib/test dir

   3.13only security fixesonly security fixes

   3.14bugs and security fixesbugs and security fixes

   3.15bugs and security fixesbugs and security fixes

   3.16new features, bugs and security fixesnew features, bugs and security fixes

   on Aug 13, 2026
2. nightcityblade commented on Aug 13, 2026

   

   nightcityblade

   on Aug 13, 2026

   More actions

   Hi, I'd like to work on this. I'll submit a PR shortly.
3. serhiy-storchaka

   added a commit that references this issue on Aug 13, 2026

   gh-155731: Clean up files left by test_import (GH-155735)

   b0ba60e
4. serhiy-storchaka

   closed this as completedon Aug 13, 2026
5. serhiy-storchaka

   added 2 commits that reference this issue on Aug 13, 2026

   [3.13] gh-155731: Clean up files left by test_import (GH-155735) (GH-…

   de63e6e

   [3.14] gh-155731: Clean up files left by test_import (GH-155735) (GH-…

   23bba2f
6. mbeijen

   added a commit that references this issue on Aug 14, 2026

   pythongh-155731: Clean up files left by test_import (pythonGH-155735)

   d6ff6e2
7. serhiy-storchaka

   added a commit that references this issue on Oct 10, 2026

   [3.15] gh-155731: Clean up files left by test_import (GH-155735) (GH-…

   b3fab86

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