diff --git a/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py b/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
index dfad9ee75e7..ef677eb48ba 100644
--- a/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
+++ b/libs/partners/chroma/tests/unit_tests/test_async_vectorstores.py
@@ -138,7 +138,7 @@ async def test_async_collection_initialization() -> None:
 
 
 @pytest.mark.asyncio
-async def test_aadd_texts():
+async def test_aadd_texts() -> None:
     """Test async add_texts functionality."""
     async_client = MockAsyncClient()
 
@@ -442,3 +442,4 @@ async def test_concurrent_async_operations():
     assert isinstance(results[2], list)  # Search returned documents
 
 
+