diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0223e697dc..903e33d4b7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -49,6 +49,7 @@ jobs:
             pip3 install nvidia-tensorrt==8.2.4.2
             pip3 install --pre torch==1.13.0.dev20220621  torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/nightly/cu113
             pip3 install pytest parameterized expecttest
+            pip3 install tabulate
             # install torch_tensorrt
             mv WORKSPACE.ci WORKSPACE
             cd py
diff --git a/py/torch_tensorrt/fx/test/passes/test_graph_opts.py b/py/torch_tensorrt/fx/test/passes/test_graph_opts.py
index f240c95514..1f852b0497 100644
--- a/py/torch_tensorrt/fx/test/passes/test_graph_opts.py
+++ b/py/torch_tensorrt/fx/test/passes/test_graph_opts.py
@@ -18,7 +18,7 @@ def debug_print_graph_module(mod_graph: torch.fx.GraphModule) -> None:
 
 
 @torch.fx.wrap
-def test_op(keys, value):
+def _test_op(keys, value):
     return value
 
 
@@ -170,7 +170,7 @@ def forward(self, a, b, c):
     def test_common_subexpression_elimination_string_arg(self):
         class TestModule(torch.nn.Module):
             def forward(self, a):
-                x = test_op(["foo", "bar"], a)
+                x = _test_op(["foo", "bar"], a)
                 return x
 
         self._test_opt_with_module(