Remove unused imports

[vstinner]

No description provided.

[pablogsal]

Maybe is time to put a linter for this in CI

[vstinner]

Maybe is time to put a linter for this in CI

It would require to annotate many "unused" imports which should be kept with # noqa: F401. Some people don't like this. But yeah, it sounds like a good idea :-)

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora Stable Clang Installed 3.x (tier-3) has failed when building commit d119443.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1645/builds/1679) and take a look at the build logs.
4. Check if the failure is related to this commit (d119443) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1645/builds/1679

Failed tests:

• test_profiling

Failed subtests:

• test_sampling_with_collapsed_export - test.test_profiling.test_sampling_profiler.test_integration.TestSampleProfilerIntegration.test_sampling_with_collapsed_export

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/test/test_profiling/test_sampling_profiler/test_integration.py", line 488, in test_sampling_with_collapsed_export
    profiling.sampling.sample.sample(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        subproc.process.pid,
        ^^^^^^^^^^^^^^^^^^^^
        collector,
        ^^^^^^^^^^
        duration_sec=1,
        ^^^^^^^^^^^^^^^
    )
    ^
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/profiling/sampling/sample.py", line 224, in sample
    profiler = SampleProfiler(
        pid,
    ...<5 lines>...
        skip_non_matching_threads=skip_non_matching_threads
    )
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/profiling/sampling/sample.py", line 36, in __init__
    self.unwinder = _remote_debugging.RemoteUnwinder(
                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        self.pid, all_threads=self.all_threads, mode=mode, native=native, gc=gc,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        skip_non_matching_threads=skip_non_matching_threads
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
RuntimeError: Failed to find the PyRuntime section in process 91942 on Linux platform


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/test/test_profiling/test_sampling_profiler/test_integration.py", line 488, in test_sampling_with_collapsed_export
    profiling.sampling.sample.sample(
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        subproc.process.pid,
        ^^^^^^^^^^^^^^^^^^^^
        collector,
        ^^^^^^^^^^
        duration_sec=1,
        ^^^^^^^^^^^^^^^
    )
    ^
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/profiling/sampling/sample.py", line 224, in sample
    profiler = SampleProfiler(
        pid,
    ...<5 lines>...
        skip_non_matching_threads=skip_non_matching_threads
    )
  File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-s390x.clang-installed/build/target/lib/python3.15/profiling/sampling/sample.py", line 36, in __init__
    self.unwinder = _remote_debugging.RemoteUnwinder(
                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
        self.pid, all_threads=self.all_threads, mode=mode, native=native, gc=gc,
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        skip_non_matching_threads=skip_non_matching_threads
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
RuntimeError: Failed to find the PyRuntime section in process 86184 on Linux platform