another fix

Author: xadupre

_unittests/ut_torch_models/test_llm_phi2.py

@@ -9,6 +9,7 @@
 from onnx_diagnostic.torch_models.llms import get_phi2
 from onnx_diagnostic.helpers import string_type
 from onnx_diagnostic.torch_export_patches import torch_export_patches
+from onnx_diagnostic.torch_export_patches.patch_inputs import use_dyn_not_str
 
 
 class TestLlmPhi(ExtTestCase):
@@ -29,7 +30,9 @@ def test_export_phi2_1(self):
             {"attention_mask", "past_key_values", "input_ids", "position_ids"}, set(inputs)
         )
         with torch_export_patches(patch_transformers=True):
-            ep = torch.export.export(model, (), kwargs=inputs, dynamic_shapes=ds)
+            ep = torch.export.export(
+                model, (), kwargs=inputs, dynamic_shapes=use_dyn_not_str(ds)
+            )
         assert ep