Test suite failures with Python 3.10.0a4

[thmo]

When executed under Python 3.10, the testsuite fails with

=================================== FAILURES ===================================
_________________________ TestDebug.test_runtime_error _________________________

self = <test_debug.TestDebug object at 0x7fbdec31d4f0>
fs_env = <jinja2.environment.Environment object at 0x7fbdec31d4c0>

        def test_runtime_error(self, fs_env):
            def test():
                tmpl.render(fail=lambda: 1 / 0)
    
            tmpl = fs_env.get_template("broken.html")
>           self.assert_traceback_matches(
                test,
                r"""
      File ".*?broken.html", line 2, in (top-level template code|<module>)
        \{\{ fail\(\) \}\}
      File ".*debug?.pyc?", line \d+, in <lambda>
        tmpl\.render\(fail=lambda: 1 / 0\)
    ZeroDivisionError: (int(eger)? )?division (or modulo )?by zero
    """,
            )

tests/test_debug.py:37: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <test_debug.TestDebug object at 0x7fbdec31d4f0>
callback = <function TestDebug.test_runtime_error.<locals>.test at 0x7fbdec30b3a0>
expected_tb = '\n  File ".*?broken.html", line 2, in (top-level template code|<module>)\n    \\{\\{ fail\\(\\) \\}\\}\n  File ".*deb... <lambda>\n    tmpl\\.render\\(fail=lambda: 1 / 0\\)\nZeroDivisionError: (int(eger)? )?division (or modulo )?by zero\n'

    def assert_traceback_matches(self, callback, expected_tb):
        with pytest.raises(Exception) as exc_info:
            callback()
    
        tb = format_exception(exc_info.type, exc_info.value, exc_info.tb)
        m = re.search(expected_tb.strip(), "".join(tb))
>       assert m is not None, "Traceback did not match:\n\n%s\nexpected:\n%s" % (
            "".join(tb),
            expected_tb,
        )
E       AssertionError: Traceback did not match:
E         
E         Traceback (most recent call last):
E           File "/builddir/build/BUILD/Jinja2-2.11.2/tests/test_debug.py", line 23, in assert_traceback_matches
E             callback()
E           File "/builddir/build/BUILD/Jinja2-2.11.2/tests/test_debug.py", line 34, in test
E             tmpl.render(fail=lambda: 1 / 0)
E           File "/builddir/build/BUILD/Jinja2-2.11.2/src/jinja2/asyncsupport.py", line 71, in render
E             return original_render(self, *args, **kwargs)
E           File "/builddir/build/BUILD/Jinja2-2.11.2/src/jinja2/environment.py", line 1090, in render
E             self.environment.handle_exception()
E           File "/builddir/build/BUILD/Jinja2-2.11.2/src/jinja2/environment.py", line 832, in handle_exception
E             reraise(*rewrite_traceback_stack(source=source))
E           File "/builddir/build/BUILD/Jinja2-2.11.2/src/jinja2/_compat.py", line 28, in reraise
E             raise value.with_traceback(tb)
E           File "/builddir/build/BUILD/Jinja2-2.11.2/tests/res/templates/broken.html", line -62, in top-level template code
E           File "/builddir/build/BUILD/Jinja2-2.11.2/tests/test_debug.py", line 34, in <lambda>
E             tmpl.render(fail=lambda: 1 / 0)
E         ZeroDivisionError: division by zero
E         
E         expected:
E         
E           File ".*?broken.html", line 2, in (top-level template code|<module>)
E             \{\{ fail\(\) \}\}
E           File ".*debug?.pyc?", line \d+, in <lambda>
E             tmpl\.render\(fail=lambda: 1 / 0\)
E         ZeroDivisionError: (int(eger)? )?division (or modulo )?by zero
E         
E       assert None is not None

tests/test_debug.py:27: AssertionError

See https://bugzilla.redhat.com/show_bug.cgi?id=1907442

Environment:

• Python version: 3.10.0a4
• Jinja version: 2.11.2