WIP: Revert "deps: py!=1.8.2,py!=1.9.0"

[blueyed]

This reverts commit e92e6e4.

---

Failures:

2020-07-16T00:35:54.9562020Z FAILED testing/test_assertrewrite.py:1284::TestEarlyRewriteBailout::test_basic - AssertionError: assert None is not None\n +  where None = <bound method AssertionRewritingHook.find_spec of <_pytest.assertion.rewrite.AssertionRewritingHook object at 0x000001D2AE745248>>('foobar')\n +    where <bound method AssertionRewritingHook.find_spec of <_pytest.assertion.rewrite.AssertionRewritingHook object at 0x000001D2AE745248>> = <_pytest.assertion.rewrite.AssertionRewritingHook object at 0x000001D2AE745248>.find_spec
2020-07-16T00:35:54.9564784Z FAILED testing/test_collection.py:707::Test_getinitialnodes::test_pkgfile - AssertionError: assert False\n +  where False = isinstance(<Session subdir exitstatus=None testsfailed=0 testscollected=1>, <class '_pytest.python.Package'>)\n +    where <Session subdir exitstatus=None testsfailed=0 testscollected=1> = <Module nodeid='x.py'>.parent\n +    and   <class '_pytest.python.Package'> = pytest.Package
2020-07-16T00:35:54.9569919Z FAILED testing/test_collection.py:1095::test_collect_init_tests - LineMatcherFailed: unmatched: '<Package */tests>'\nLog:\nnomatch: '<Package */tests>'\n    and: '============================= test session starts ============================='\n    and: 'platform win32 -- Python 3.7.8, pytest-5.2.3.dev1483+ge178aece1, py-1.9.0, pluggy-0.13.1'\n    and: 'rootdir: ~ (C:\\Users\\runneradmin\\AppData\\Local\\Temp\\pytest-of-runneradmin\\pytest-0\\test_collect_init_tests0), inifile: pytest.ini'\n    and: 'collected 1 item'\n    and: ''\n    and: '<Module tests/test_foo.py>'\n    and: '  <Function test_foo>'\n    and: ''\n    and: '============================ no tests ran in 0.01s ============================'\nremains unmatched: '<Package */tests>'

2020-07-16T00:34:46.6101252Z FAILED testing/python/fixtures.py:1571::TestFixtureManagerParseFactories::test_package_xunit_fixture - AssertionError: ([],\n   [],\n   [<TestReport 'package/test_x.py::test_x' when='call' outcome='failed'>,\n    <TestReport 'package2/test_x.py::test_x' when='call' outcome='failed'>])\nassert {'failed': 2,... 'skipped': 0} == {'failed': 0,... 'skipped': 0}\n  Common items:\n  {'skipped': 0}\n  Differing items:\n  {'failed': 2} != {'failed': 0}\n  {'passed': 0} != {'passed': 2}\n  Full diff:\n  - {'failed': 0, 'passed': 2, 'skipped': 0}\n  ?            ^            ^\n  + {'failed': 2, 'passed': 0, 'skipped': 0}\n  ?            ^            ^
2020-07-16T00:34:46.6104605Z FAILED testing/python/fixtures.py:4105::TestScopeOrdering::test_multiple_packages - AssertionError: ([<TestReport 'root/sub1/test_1.py::test_1' when='call' outcome='passed'>],\n   [],\n   [<TestReport 'root/sub2/test_2.py::test_2' when='call' outcome='failed'>])\nassert {'failed': 1,... 'skipped': 0} == {'failed': 0,... 'skipped': 0}\n  Common items:\n  {'skipped': 0}\n  Differing items:\n  {'failed': 1} != {'failed': 0}\n  {'passed': 1} != {'passed': 2}\n  Full diff:\n  - {'failed': 0, 'passed': 2, 'skipped': 0}\n  ?            ^            ^\n  + {'failed': 1, 'passed': 1, 'skipped': 0}\n  ?            ^            ^