GH-108614: Increase importlib MAGIC for RESUME_CHECK instruction

[vstinner]

• Issue: Remove TIER_ONE and TIER_TWO from bytecodes.c #108614

[bedevere-bot]

There's a new commit after the PR has been approved.

@iritkatriel: please review the changes made to this pull request.

[vstinner]

Thanks for the review @iritkatriel.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot ARM64 macOS 3.x has failed when building commit 3b2ecbc.

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/all/#builders/725/builds/5597) and take a look at the build logs.
4. Check if the failure is related to this commit (3b2ecbc) 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/all/#builders/725/builds/5597

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

==

Click to see traceback logs

Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 1354, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1325, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 929, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 1001, in exec_module
  File "<frozen importlib._bootstrap_external>", line 1097, in get_code
  File "<frozen importlib._bootstrap_external>", line 1196, in get_data
TypeError: descriptor 'close' for '_io.BufferedReader' objects doesn't apply to a '_io.FileIO' object


Traceback (most recent call last):
  File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/threading.py", line 1059, in _bootstrap_inner
    self.run()
  File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/threading.py", line 996, in run
    self._target(*self._args, **self._kwargs)
  File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_interpreters.py", line 483, in task
    interp = interpreters.create()
             ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/buildbot/buildarea/3.x.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/interpreters.py", line 25, in create
    id = _interpreters.create(isolated=isolated)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: interpreter creation failed
k

[markshannon]

Thanks @vstinner

[vstinner]

It's unfortunate that we have to increase this number during development even before the first alpha version, but well, as shown in the issue, practicability beats purity here 😁 Apparently people still like PYC during alpha releases 😁

Or maybe we could not write PYC nor use them before first beta version? I don't know. For now, the status quo is to update the MAGIC number.