Tests fail with python3.13b2

[keszybz]

It seems that there are some small differences in output:

________________________________________ test_class_methods _________________________________________

    def test_class_methods():
        profiler = Profiler()
    
        with fake_time():
            profiler.start()
    
            obj = ClassWithMethods()
            obj.long_method()
            obj.long_class_method()
            obj.long_static_method()
            partial(obj.long_method)()
    
            profiler.stop()
    
        text_output = profiler.output_text()
        print(text_output)
    
        # output should be something like:
        # 1.000 test_class_methods  test/test_profiler.py:124
        # |- 0.500 ClassWithMethods.long_method  test/test_profiler.py:29
        # |  `- 0.500 FakeClock.sleep  test/fake_time_util.py:19
        # |- 0.250 ClassWithMethods.long_class_method  test/test_profiler.py:36
        # |  `- 0.250 FakeClock.sleep  test/fake_time_util.py:19
        # `- 0.250 long_static_method  test/test_profiler.py:32
        #    `- 0.250 FakeClock.sleep  test/fake_time_util.py:19
>       assert text_output.count("0.500 ClassWithMethods.long_method") == 1
E       assert 0 == 1
E        +  where 0 = <built-in method count of str object at 0x55aa9dacdc50>('0.500 ClassWithMethods.long_method')
E        +    where <built-in method count of str object at 0x55aa9dacdc50> = "\n  _     ._   __/__   _ _  _  _ _/_   Recorded: 11:46:25  Samples:  4\n /_//_/// /_\\ / //_// / //_'/ //     Duration: 0.001     CPU time: 0.001\n/   _/                      v4.6.2\n\nProgram: /usr/bin/pytest -v test/test_profiler.py::test_class_methods\n\n1.000 test_class_methods  test/test_profiler.py:125\n|- 0.500 long_method  test/test_profiler.py:30\n|  `- 0.500 sleep  test/fake_time_util.py:21\n|- 0.250 long_class_method  test/test_profiler.py:37\n|  `- 0.250 sleep  test/fake_time_util.py:21\n`- 0.250 long_static_method  test/test_profiler.py:33\n   `- 0.250 sleep  test/fake_time_util.py:21\n\n".count

test/test_profiler.py:150: AssertionError
--------------------------------------- Captured stdout call ----------------------------------------

  _     ._   __/__   _ _  _  _ _/_   Recorded: 11:46:25  Samples:  4
 /_//_/// /_\ / //_// / //_'/ //     Duration: 0.001     CPU time: 0.001
/   _/                      v4.6.2

Program: /usr/bin/pytest -v test/test_profiler.py::test_class_methods

1.000 test_class_methods  test/test_profiler.py:125
|- 0.500 long_method  test/test_profiler.py:30
|  `- 0.500 sleep  test/fake_time_util.py:21
|- 0.250 long_class_method  test/test_profiler.py:37
|  `- 0.250 sleep  test/fake_time_util.py:21
`- 0.250 long_static_method  test/test_profiler.py:33
   `- 0.250 sleep  test/fake_time_util.py:21

_____________________ test_frame_info_with_classes[get_frame_info_for_a_method] _____________________

test_function = <bound method AClass.get_frame_info_for_a_method of <test.low_level.test_frame_info.AClass object at 0x7fb11af94c20>>

    @pytest.mark.parametrize('test_function',
                             ['get_frame_info_for_a_method',
                              'get_frame_info_for_a_class_method',
                              'get_frame_info_with_cell_variable'])
    def test_frame_info_with_classes(test_function):
        if 'class' in test_function:
            test_function = getattr(AClass, test_function)
        else:
            instance = AClass()
            test_function = getattr(instance, test_function)
    
        c_frame_info = test_function(stat_profile_c.get_frame_info)
        py_frame_info = test_function(stat_profile_python.get_frame_info)
    
>       assert c_frame_info == py_frame_info
E       AssertionError: assert 'get_frame_in...y\x009\x01l12' == 'get_frame_in...AClass\x01l12'
E         - get_frame_info_for_a_method/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py9cAClassl12
E         ?                                                                                                                                   --------
E         + get_frame_info_for_a_method/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py9l12

test/low_level/test_frame_info.py:77: AssertionError
__________________ test_frame_info_with_classes[get_frame_info_for_a_class_method] __________________

test_function = <bound method AClass.get_frame_info_for_a_class_method of <class 'test.low_level.test_frame_info.AClass'>>

    @pytest.mark.parametrize('test_function',
                             ['get_frame_info_for_a_method',
                              'get_frame_info_for_a_class_method',
                              'get_frame_info_with_cell_variable'])
    def test_frame_info_with_classes(test_function):
        if 'class' in test_function:
            test_function = getattr(AClass, test_function)
        else:
            instance = AClass()
            test_function = getattr(instance, test_function)
    
        c_frame_info = test_function(stat_profile_c.get_frame_info)
        py_frame_info = test_function(stat_profile_python.get_frame_info)
    
>       assert c_frame_info == py_frame_info
E       AssertionError: assert 'get_frame_in...\x0025\x01l29' == 'get_frame_in...AClass\x01l29'
E         - get_frame_info_for_a_class_method/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py25cAClassl29
E         ?                                                                                                                                          --------
E         + get_frame_info_for_a_class_method/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py25l29

test/low_level/test_frame_info.py:77: AssertionError
__________________ test_frame_info_with_classes[get_frame_info_with_cell_variable] __________________

test_function = <bound method AClass.get_frame_info_with_cell_variable of <test.low_level.test_frame_info.AClass object at 0x7fb11afad1d0>>

    @pytest.mark.parametrize('test_function',
                             ['get_frame_info_for_a_method',
                              'get_frame_info_for_a_class_method',
                              'get_frame_info_with_cell_variable'])
    def test_frame_info_with_classes(test_function):
        if 'class' in test_function:
            test_function = getattr(AClass, test_function)
        else:
            instance = AClass()
            test_function = getattr(instance, test_function)
    
        c_frame_info = test_function(stat_profile_c.get_frame_info)
        py_frame_info = test_function(stat_profile_python.get_frame_info)
    
>       assert c_frame_info == py_frame_info
E       AssertionError: assert 'get_frame_in...\x0014\x01l23' == 'get_frame_in...AClass\x01l23'
E         - get_frame_info_with_cell_variable/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py14cAClassl23
E         ?                                                                                                                                          --------
E         + get_frame_info_with_cell_variable/builddir/build/BUILD/pyinstrument-4.6.2-build/pyinstrument-4.6.2/test/low_level/test_frame_info.py14l23

test/low_level/test_frame_info.py:77: AssertionError

This is with python3-3.13.0~b2-3.fc41.x86_64.
Downstream bug report: https://bugzilla.redhat.com/show_bug.cgi?id=2290554.
That also has replication instructions for the environment.