fix the layer info test failure and deal with potential segfault

[narendasan]

Description

Should address the intermittent segfaults on CI for the TS tests

Fixes # (issue)

Type of change

Please delete options that are not relevant and/or add your own.

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project (You can use the linters)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas and hacks
• I have made corresponding changes to the documentation
• I have added tests to verify my fix or my feature
• New and existing unit tests pass locally with my changes
• I have added the relevant labels to my PR in so that relevant reviewers are notified

[github-actions]

There are some changes that do not conform to Python style guidelines:

--- /home/runner/work/TensorRT/TensorRT/tests/py/ts/api/test_classes.py	2026-01-26 18:55:44.028073+00:00
+++ /home/runner/work/TensorRT/TensorRT/tests/py/ts/api/test_classes.py	2026-01-26 18:56:27.176197+00:00
@@ -362,13 +362,18 @@
            num_layers = 2
        for trt_mod in (
            TestTorchTensorRTModule._get_trt_mod(),
            TestTorchTensorRTModule._get_trt_mod(via_ts=True),
        ):
-             trt_json = json.loads(trt_mod.get_layer_info())
-             [self.assertTrue(k in trt_json.keys(), f"Key {k} is missing") for k in ["Layers", "Bindings"]]
-             self.assertTrue(len(trt_json["Layers"], "Not enough layers found") == num_layers)
-             self.assertTrue(len(trt_json["Bindings"], "Not enough bindings found") == 2)
+            trt_json = json.loads(trt_mod.get_layer_info())
+            [
+                self.assertTrue(k in trt_json.keys(), f"Key {k} is missing")
+                for k in ["Layers", "Bindings"]
+            ]
+            self.assertTrue(
+                len(trt_json["Layers"], "Not enough layers found") == num_layers
+            )
+            self.assertTrue(len(trt_json["Bindings"], "Not enough bindings found") == 2)


if __name__ == "__main__":
    unittest.main()

[github-actions]

There are some changes that do not conform to Python style guidelines:

--- /home/runner/work/TensorRT/TensorRT/tests/py/ts/api/test_classes.py	2026-01-26 18:55:45.318626+00:00
+++ /home/runner/work/TensorRT/TensorRT/tests/py/ts/api/test_classes.py	2026-01-26 18:56:28.942474+00:00
@@ -362,13 +362,18 @@
            num_layers = 2
        for trt_mod in (
            TestTorchTensorRTModule._get_trt_mod(),
            TestTorchTensorRTModule._get_trt_mod(via_ts=True),
        ):
-             trt_json = json.loads(trt_mod.get_layer_info())
-             [self.assertTrue(k in trt_json.keys(), f"Key {k} is missing") for k in ["Layers", "Bindings"]]
-             self.assertTrue(len(trt_json["Layers"], "Not enough layers found") == num_layers)
-             self.assertTrue(len(trt_json["Bindings"], "Not enough bindings found") == 2)
+            trt_json = json.loads(trt_mod.get_layer_info())
+            [
+                self.assertTrue(k in trt_json.keys(), f"Key {k} is missing")
+                for k in ["Layers", "Bindings"]
+            ]
+            self.assertTrue(
+                len(trt_json["Layers"], "Not enough layers found") == num_layers
+            )
+            self.assertTrue(len(trt_json["Bindings"], "Not enough bindings found") == 2)


if __name__ == "__main__":
    unittest.main()