[FBcode->GH] [JIT] Add reference semantics to TorchScript classes (#44324) (#4166)

Co-authored-by: Meghan Lele <meghanl@fb.com>

Author: NicolasHug

test/test_transforms_tensor.py

@@ -649,7 +649,7 @@ def test_compose(device):
     t = T.Compose([
         lambda x: x,
     ])
-    with pytest.raises(RuntimeError, match="Could not get name of python class object"):
+    with pytest.raises(RuntimeError, match="cannot call a value of type 'Tensor'"):
         torch.jit.script(t)