diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
@@ -5455,8 +5455,6 @@ def test_bug_1028306(self):
        self.assertEqual(as_datetime, datetime_sc)
        self.assertEqual(datetime_sc, as_datetime)

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_extra_attributes(self):
        with self.assertWarns(DeprecationWarning):
            utcnow = datetime.utcnow()

diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
@@ -24,8 +24,6 @@ def __exit__(self, *args):
        manager = DefaultEnter()
        self.assertIs(manager.__enter__(), manager)

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_slots(self):
        class DefaultContextManager(AbstractContextManager):
            __slots__ = ()

diff --git a/Lib/test/test_contextlib_async.py b/Lib/test/test_contextlib_async.py
@@ -27,8 +27,6 @@ async def __aexit__(self, *args):
        async with manager as context:
            self.assertIs(manager, context)

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    async def test_slots(self):
        class DefaultAsyncContextManager(AbstractAsyncContextManager):
            __slots__ = ()

diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py
@@ -2776,8 +2776,6 @@ class C:


class TestSlots(unittest.TestCase):
-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_simple(self):
        @dataclass
        class C:
@@ -2819,8 +2817,6 @@ class Derived(Base):
        # We can add a new field to the derived instance.
        d.z = 10

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_generated_slots(self):
        @dataclass(slots=True)
        class C:

diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
@@ -2923,10 +2923,6 @@ class CPythonAPItests(PythonAPItests, unittest.TestCase):
class PyPythonAPItests(PythonAPItests, unittest.TestCase):
    decimal = P

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
-    def test_complex(self): # TODO(RUSTPYTHON): Remove this test when it pass
-        return super().test_complex()

class ContextAPItests:


diff --git a/Lib/test/test_fractions.py b/Lib/test/test_fractions.py
@@ -1137,8 +1137,6 @@ def test_copy_deepcopy_pickle(self):
        self.assertTypedEquals(dr, copy(dr))
        self.assertTypedEquals(dr, deepcopy(dr))

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_slots(self):
        # Issue 4998
        r = F(13, 7)

diff --git a/Lib/test/test_functools.py b/Lib/test/test_functools.py
@@ -3278,7 +3278,6 @@ def test_cached_attribute_name_differs_from_func_name(self):
        self.assertEqual(item.get_cost(), 4)
        self.assertEqual(item.cached_cost, 3)

-    @unittest.expectedFailure # TODO: RUSTPYTHON
    def test_object_with_slots(self):
        item = CachedCostItemWithSlots()
        with self.assertRaisesRegex(

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
@@ -5332,7 +5332,6 @@ class A(os.PathLike):
    def test_pathlike_class_getitem(self):
        self.assertIsInstance(os.PathLike[bytes], types.GenericAlias)

-    @unittest.expectedFailure # TODO: RUSTPYTHON
    def test_pathlike_subclass_slots(self):
        class A(os.PathLike):
            __slots__ = ()

diff --git a/Lib/test/test_statistics.py b/Lib/test/test_statistics.py
@@ -2889,8 +2889,6 @@ class TestNormalDist:
    # inaccurate.  There isn't much we can do about this short of
    # implementing our own implementations from scratch.

-    # TODO: RUSTPYTHON
-    @unittest.expectedFailure
    def test_slots(self):
        nd = self.module.NormalDist(300, 23)
        with self.assertRaises(TypeError):

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
@@ -5269,7 +5269,6 @@ def test_weakref_all(self):
        for t in things:
            self.assertEqual(weakref.ref(t)(), t)

-    @unittest.expectedFailure  # TODO: RUSTPYTHON - __slots__ with Generic doesn't prevent new attributes
    def test_parameterized_slots(self):
        T = TypeVar('T')
        class C(Generic[T]):
@@ -5289,7 +5288,6 @@ def foo(x: C['C']): ...
        self.assertEqual(get_type_hints(foo, globals(), locals())['x'], C[C])
        self.assertEqual(copy(C[int]), deepcopy(C[int]))

-    @unittest.expectedFailure  # TODO: RUSTPYTHON - __slots__ with Generic doesn't prevent new attributes
    def test_parameterized_slots_dict(self):
        T = TypeVar('T')
        class D(Generic[T]):

diff --git a/crates/vm/src/stdlib/typevar.rs b/crates/vm/src/stdlib/typevar.rs
@@ -1,6 +1,6 @@
// spell-checker:ignore typevarobject funcobj
use crate::{
-    AsObject, PyObject, PyObjectRef, PyPayload, PyRef, PyResult, VirtualMachine,
    builtins::{PyTupleRef, PyTypeRef, pystr::AsPyStr},
    common::lock::PyMutex,
    function::{FuncArgs, IntoFuncArgs, PyComparisonValue},
@@ -972,6 +972,11 @@ pub struct Generic {}

#[pyclass(flags(BASETYPE))]
impl Generic {
    #[pyclassmethod]
    fn __class_getitem__(cls: PyTypeRef, args: FuncArgs, vm: &VirtualMachine) -> PyResult {
        call_typing_args_kwargs("_generic_class_getitem", cls, args, vm)