Adjust warning exclusions for Python 3.10

Drop some PYTHONWARNINGS ignore entries for exceptions which have
been fixed in dependencies, and add a new one for flake8's plugin
manager.

diff --git a/tox.ini b/tox.ini
index 22516f5..e855bd6 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -14,27 +14,17 @@ basepython = python3
 usedevelop = True
 # TODO(fungi) Switch this to "error" once the following are solved
 #
-# py310... Cython.Compiler.Main raises FutureWarning "Cython directive
-#  'language_level' not set, using 2 for now (Py2). This will change in a later
-#  release!" but this can't be matched by message because it contains a comma
 # py310... distutils.command.install raises DeprecationWarning "The
 #   distutils.sysconfig module is deprecated, use sysconfig instead" but this
 #   can't be matched by message because it contains a comma
-# py310... importlib._bootstrap raises ImportWarning
-#   "_SixMetaPathImporter.find_spec() not found; falling back to find_module()"
-#   but this can't be matched by message for unknown reasons
-# py310... pip._vendor.urllib3.connection and pip._vendor.urllib3.util.ssl_
-#   both raise DeprecationWarning "ssl module: PROTOCOL_TLS is deprecated" but
-#   this can't be matched by message because it contains a colon
-# py310... wheel.bdist_wheel raises DeprecationWarning "The \"license_file\"
-#   option is deprecated. Use \"license_files\" instead."
+# flake8... flake8.plugins.manager raises DeprecationWarning "SelectableGroups dict interface is deprecated. Use select."
 # multiple callers raise DeprecationWarning "The distutils package is
 #   deprecated and slated for removal in Python 3.12. Use setuptools or check
 #   PEP 632 for potential alternatives"
 # multiple callers raise DeprecationWarning "Creating a LegacyVersion has been
 #   deprecated and will be removed in the next major release"
 setenv =
-    PYTHONWARNINGS = error, ignore::FutureWarning:Cython.Compiler.Main, ignore::DeprecationWarning:setuptools.config, ignore::DeprecationWarning:distutils.command.install, ignore::ImportWarning:importlib._bootstrap, ignore::DeprecationWarning:pip._vendor.urllib3.connection, ignore::DeprecationWarning:pip._vendor.urllib3.util.ssl_, ignore:The "license_file" option is deprecated. Use "license_files" instead.:DeprecationWarning:wheel.bdist_wheel, ignore:The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives:DeprecationWarning, ignore:Creating a LegacyVersion has been deprecated and will be removed in the next major release:DeprecationWarning
+    PYTHONWARNINGS = error, ignore::DeprecationWarning:distutils.command.install, ignore:The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives:DeprecationWarning, ignore:Creating a LegacyVersion has been deprecated and will be removed in the next major release:DeprecationWarning, ignore:SelectableGroups dict interface is deprecated. Use select.:DeprecationWarning:flake8.plugins.manager
     VIRTUALENV_CREATOR = venv
 commands = mudpy_selftest mudpy/tests/fixtures/test_daemon.yaml