Fully support Python 3.11 (#104)

* Ensure tox envs that run tests depend on cmd extra

* Fix test_report_gives_package_version on Python 3.11+

Fixes #94. See python/cpython#98771 and
#94 (comment).

* Add missing newline at end of pyct/tests/test_report.py

* Test Python 3.11 and add it to the trove classifiers

pyct/tests/test_report.py

@@ -5,9 +5,9 @@ class TestModule:
     __version__ = "1.9.3"
     __file__ = "/mock/opt/anaconda3/envs/pyct/lib/python3.7/site-packages/param/__init__.py"
 
-@patch("builtins.print")
 @patch("importlib.import_module")
-def test_report_gives_package_version(mock_import_module, mock_print):
+@patch("builtins.print")
+def test_report_gives_package_version(mock_print, mock_import_module):
     module = TestModule()
     mock_import_module.return_value = module
 
@@ -47,4 +47,4 @@ def test_report_gives_system_version(mock_platform, mock_print):
 def test_unknown_package_output(mock_print):
     report("fake_package")
 
-    mock_print.assert_called_with("fake_package=unknown           # not installed in this environment")
+    mock_print.assert_called_with("fake_package=unknown           # not installed in this environment")

setup.py

@@ -47,6 +47,7 @@ def get_setup_version(root, reponame):
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
         'Development Status :: 4 - Beta'
     ],
     author='HoloViz',

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = {py36,py37,py38,py39,py310}-{flakes,unit,cmd_examples,build_examples,all}-{default}-{dev,pkg}
+envlist = {py36,py37,py38,py39,py310,py311}-{flakes,unit,cmd_examples,build_examples,all}-{default}-{dev,pkg}
 build = wheel
 
 [_flakes]
@@ -21,11 +21,11 @@ commands = {[_flakes]commands}
            {[_unit]commands}
            {[_cmd_examples]commands}
            {[_build_examples]commands}
-deps = .[examples, tests]
+deps = .[examples,tests,cmd]
 
 [_unit]
 description = Run unit tests
-deps = .[tests]
+deps = .[tests,cmd]
 commands = pytest pyct
            pyct --help
            pyct --version