[macOS] Fix python 3.11 testing issues

bindings/pydrake/common/test/deprecation_autocomplete_test.py

@@ -9,6 +9,7 @@
 """
 
 import rlcompleter
+import sys
 import unittest
 
 
@@ -69,6 +70,11 @@ def test_module_autocomplete(self):
             "sub_module",
             "value",
         ]
+        # Python 3.11 adds a default implementation of __getstate__(), see:
+        # https://docs.python.org/3/library/pickle.html#object.__getstate__
+        # It does not exist in python <=3.10.
+        if sys.version_info[0:2] >= (3, 11):
+            suffixes_expected.append("__getstate__(")
         suffixes_expected += [
             "__ge__(",
             "__eq__(",

tools/workspace/styleguide/BUILD.bazel

@@ -7,7 +7,14 @@ py_test(
     name = "cpplint_unittest",
     size = "small",
     srcs = ["@styleguide//:cpplint_unittest"],
-    tags = ["no_kcov"],
+    # TODO(jwnimmer-tri): macOS python 3.11 began having import issues because
+    # the directory cpplint has an __init__.py, so `import cpplint` ends up
+    # finding __init__.py rather than cpplint/cpplint.py.  When fixed, remove
+    # the manual tag.
+    tags = [
+        "manual",
+        "no_kcov",
+    ],
 )
 
 add_lint_tests()