diff --git a/client/ayon_core/pipeline/publish/lib.py b/client/ayon_core/pipeline/publish/lib.py
index e3e67c3b08..4d28cea23c 100644
--- a/client/ayon_core/pipeline/publish/lib.py
+++ b/client/ayon_core/pipeline/publish/lib.py
@@ -956,7 +956,6 @@ def register_representation(instance, traits_data):
         traits_data (dict): Representation traits data.
     """
 
-
     if "representations" not in instance.data:
         instance.data["representations"] = []
 
diff --git a/client/ayon_core/pipeline/traits/__init__.py b/client/ayon_core/pipeline/traits/__init__.py
index 0ec59f03e3..a4bcc72462 100644
--- a/client/ayon_core/pipeline/traits/__init__.py
+++ b/client/ayon_core/pipeline/traits/__init__.py
@@ -1,9 +1,11 @@
 import collections
-from pathlib import Path
-import inspect
 import hashlib
+import inspect
 import json
+from pathlib import Path
+
 import deal
+
 from .generated.Ayon.traits.meta import FilesBundleTrait
 
 
@@ -60,7 +62,3 @@ def update_file_bundle_data(traits_data):
     if files:
         trait.setSizes(json.dumps(sizes))
         trait.setHashes(json.dumps(hashes))
-
-
-
-
diff --git a/tests/client/ayon_core/pipeline/traits/test_traits.py b/tests/client/ayon_core/pipeline/traits/test_traits.py
index 5a6935f779..a37f477313 100644
--- a/tests/client/ayon_core/pipeline/traits/test_traits.py
+++ b/tests/client/ayon_core/pipeline/traits/test_traits.py
@@ -1,16 +1,22 @@
-import openassetio_mediacreation as mc
+import json
+import hashlib
+from pathlib import Path
+
+import ayon_core.pipeline.traits as traits
+import ayon_core.pipeline.traits.generated as traits_generated
 import pytest
 from openassetio.trait import TraitsData
-import json
-import ayon_core.pipeline.traits as traits
 
 
 @pytest.fixture
 def file_sequence(tmp_path):
+    files = []
     for x in range(5):
         file = tmp_path / f"file_{x}.txt"
         file.write_text(f"Hello {x}")
-        yield file
+        files.append(file)
+    return files
+
 
 def _print_data(data):
     as_dict = {
@@ -24,6 +30,7 @@ def _print_data(data):
 
 
 def test_traits_data():
+    mc = traits_generated.openassetio_mediacreation
     data = TraitsData()
     lc = mc.traits.content.LocatableContentTrait(data)
     lc.setLocation("https://www.google.com")
@@ -33,13 +40,13 @@ def test_traits_data():
 
 def test_generated_traits():
     data = TraitsData()
-    import ayon_core.pipeline.traits.generated as traits
+    mc = traits_generated.openassetio_mediacreation
 
     assert hasattr(traits, "openassetio_mediacreation"), "The module should have openassetio_mediacreation"
-    version_t = traits.openassetio_mediacreation.traits.lifecycle.StableTrait
+    version_t = mc.traits.lifecycle.StableTrait
 
     version_t.imbueTo(data)
-    assert data.hasTrait(traits.openassetio_mediacreation.traits.lifecycle.StableTrait.kId)
+    assert data.hasTrait(mc.traits.lifecycle.StableTrait.kId)
 
 
 def test_get_available_traits_ids(printer):
@@ -52,10 +59,16 @@ def test_get_available_traits_ids(printer):
 
 def test_update_file_bundle_data(printer, file_sequence):
     data = TraitsData()
-    fb = mc.traits.files.FilesBundleTrait(data)
-    files
-    fb.setFiles(json.dumps([str(file) for file in list[file_sequence]))
+    ayon = traits_generated.Ayon
+    fb = ayon.traits.meta.FilesBundleTrait(data)
+    files = list(file_sequence)  # type: list[Path]
+    fb.setFiles(json.dumps([file.as_posix() for file in files]))
     traits.update_file_bundle_data(data)
     assert fb.getSizes() is not None
     assert fb.getHashes() is not None
-    _print_data(data)
+    for idx, file in enumerate(json.loads(fb.getFiles())):
+        file = Path(file)
+        calc_hash = hashlib.sha256(file.read_bytes()).hexdigest()
+        size = file.stat().st_size
+        assert json.loads(fb.getSizes())[idx] == size
+        assert json.loads(fb.getHashes())[idx] == calc_hash