[BUG] pytests incompatible with python 3.10

[riya-17]

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Description

Pytests are incompatible with latest python version 3.10

To Reproduce

Run tox -- agent python with python version 3.10

Actual Results

Running agent python3-based unit tests via pytest

Traceback (most recent call last):
  File "<frozen importlib._bootstrap>", line 939, in _find_spec
AttributeError: 'AssertionRewritingHook' object has no attribute 'find_spec'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/var/tmp/rriya/tox/py/bin/pytest", line 8, in <module>
    sys.exit(main())
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/config/__init__.py", line 65, in main
    config = _prepareconfig(args, plugins)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/config/__init__.py", line 213, in _prepareconfig
    return pluginmanager.hook.pytest_cmdline_parse(
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/hooks.py", line 286, in __call__
    return self._hookexec(self, self.get_hookimpls(), kwargs)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/manager.py", line 93, in _hookexec
    return self._inner_hookexec(hook, methods, kwargs)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/manager.py", line 84, in <lambda>
    self._inner_hookexec = lambda hook, methods, kwargs: hook.multicall(
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/callers.py", line 203, in _multicall
    gen.send(outcome)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/helpconfig.py", line 94, in pytest_cmdline_parse
    config = outcome.get_result()
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/callers.py", line 80, in get_result
    raise ex[1].with_traceback(ex[2])
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/callers.py", line 187, in _multicall
    res = hook_impl.function(*args)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/config/__init__.py", line 789, in pytest_cmdline_parse
    self.parse(args)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/config/__init__.py", line 997, in parse
    self._preparse(args, addopts=addopts)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/config/__init__.py", line 943, in _preparse
    self.pluginmanager.load_setuptools_entrypoints("pytest11")
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/pluggy/manager.py", line 299, in load_setuptools_entrypoints
    plugin = ep.load()
  File "/usr/lib64/python3.10/importlib/metadata/__init__.py", line 171, in load
    module = import_module(match.group('module'))
  File "/usr/lib64/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/requests_mock/__init__.py", line 13, in <module>
    from requests_mock.adapter import Adapter, ANY
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1002, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 941, in _find_spec
  File "<frozen importlib._bootstrap>", line 915, in _find_spec_legacy
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/assertion/rewrite.py", line 169, in find_module
    source_stat, co = _rewrite_test(self.config, fn_pypath)
  File "/var/tmp/rriya/tox/py/lib/python3.10/site-packages/_pytest/assertion/rewrite.py", line 406, in _rewrite_test
    co = compile(tree, fn.strpath, "exec", dont_inherit=True)
TypeError: required field "lineno" missing from alias
Command exited with non-zero status 1


Command: 'pytest -n auto --basetemp=/var/tmp/rriya/tox/py/tmp --cov=/var/tmp/rriya/tox/py/lib/python3.10/site-packages --cov-branch --cov-append --cov-report html:/var/tmp/rriya/tox/py/cov/html --pyargs pbench.test.unit.common pbench.test.unit.agent pbench.test.functional'
Exit status: 1
Timings: user 0.15s, system 0.01s, elapsed 0.17s (0:00.17, 98%)
Memory: max RSS 22820k, minor pf: 4405, major pf: 0, swaps 0
Context switches: inv 2, vol 1, signals 0
I/O: fs in 0, fs out 0, socket in 0, socket out 0


Agent pytest command failed with '1'

Expected Results

Pytests should have passed with an exit status of 0

Additional information

To explicitely run tests with python version 3.9 run the following Command: tox -r -e py39 -- agent python

[tirkarthi]

seems to be fixed in pytest-dev/pytest#8540

[portante]

seems to be fixed in pytest-dev/pytest#8540

Thanks for the quick reply, @tirkarthi!!