feat(deps): Update langchain-postgres to v0.0.16 (googleapis#366)

* feat(deps): Update langchain-postgres to v0.0.16

* Update langchain-postgres version to 0.0.16

* Update requirements.txt

Author: dishaprakash

pyproject.toml

@@ -14,7 +14,7 @@ dependencies = [
     "numpy>=1.24.4, <3.0.0; python_version >= '3.11'",
     "numpy>=1.24.4, <=2.2.6; python_version == '3.10'",
     "numpy>=1.24.4, <=2.0.2; python_version <= '3.9'",
-    "langchain-postgres>=0.0.15",
+    "langchain-postgres>=0.0.16",
 ]
 
 classifiers = [

requirements.txt

@@ -3,4 +3,4 @@ numpy==2.3.3; python_version >= "3.11"
 numpy==2.2.6; python_version == "3.10"
 numpy==2.0.2; python_version <= "3.9"
 langgraph==0.6.10
-langchain-postgres==0.0.15
+langchain-postgres==0.0.16

tests/test_async_vectorstore_search.py

@@ -482,7 +482,7 @@ async def test_hybrid_search_weighted_sum_vector_bias(
         result_ids = [doc.metadata["doc_id_key"] for doc in results]
 
         assert len(result_ids) > 0
-        assert result_ids[0] == "hs_doc_orange_fruit"
+        assert result_ids[0] == "hs_doc_generic_tech"
 
     async def test_hybrid_search_weighted_sum_fts_bias(
         self, vs_hybrid_search_with_tsv_column
@@ -611,7 +611,7 @@ async def test_hybrid_search_fts_empty_results(
         assert len(result_ids) > 0
         assert "hs_doc_apple_fruit" in result_ids or "hs_doc_apple_tech" in result_ids
         # The top result should be one of the apple documents based on vector search
-        assert results[0].metadata["doc_id_key"].startswith("hs_doc_unrelated_cat")
+        assert results[0].metadata["doc_id_key"].startswith("hs_doc_apple_fruit")
 
     async def test_hybrid_search_vector_empty_results_effectively(
         self, vs_hybrid_search_with_tsv_column
@@ -638,7 +638,7 @@ async def test_hybrid_search_vector_empty_results_effectively(
 
         # Expect results based purely on FTS search for "orange fruit"
         assert len(result_ids) == 1
-        assert result_ids[0] == "hs_doc_generic_tech"
+        assert result_ids[0] == "hs_doc_orange_fruit"
 
     async def test_hybrid_search_without_tsv_column(self, engine):
         """Test hybrid search without a TSV column."""