diff --git a/.github/workflows/test-models.yml b/.github/workflows/test-models.yml
index 07f5c91985..703bbc0071 100644
--- a/.github/workflows/test-models.yml
+++ b/.github/workflows/test-models.yml
@@ -137,7 +137,8 @@ jobs:
         source shark.venv/bin/activate
         echo $PATH
         pip list | grep -E "torch|iree"
-        pytest --ci --ci_sha=${SHORT_SHA} --local_tank_cache="/Volumes/builder/anush/shark_cache" --tank_url="gs://shark_tank/nightly/" -k metal
+      # disabled due to a low-visibility memory issue with pytest on macos.
+      # pytest --ci --ci_sha=${SHORT_SHA} --local_tank_cache="/Volumes/builder/anush/shark_cache" --tank_url="gs://shark_tank/nightly/" -k metal
 
     - name: Validate Vulkan Models (a100)
       if: matrix.suite == 'vulkan' && matrix.os == 'a100'
diff --git a/shark/iree_utils/compile_utils.py b/shark/iree_utils/compile_utils.py
index 2ce02118a6..e86546c478 100644
--- a/shark/iree_utils/compile_utils.py
+++ b/shark/iree_utils/compile_utils.py
@@ -324,7 +324,7 @@ def compile_module_to_flatbuffer(
     else:
         assert os.path.isfile(module)
         flatbuffer_blob = ireec.compile_file(
-            module,
+            str(module),
             input_type=input_type,
             target_backends=[iree_target_map(device)],
             extra_args=args,