deepseek[patch]: bump langchain-openai and add to scheduled testing (#29535)

Author: ccurme

.github/workflows/scheduled_test.yml

@@ -14,7 +14,7 @@ on:
 
 env:
   POETRY_VERSION: "1.8.4"
-  DEFAULT_LIBS: '["libs/partners/openai", "libs/partners/anthropic", "libs/partners/fireworks", "libs/partners/groq", "libs/partners/mistralai", "libs/partners/google-vertexai", "libs/partners/google-genai", "libs/partners/aws"]'
+  DEFAULT_LIBS: '["libs/partners/openai", "libs/partners/anthropic", "libs/partners/fireworks", "libs/partners/groq", "libs/partners/mistralai", "libs/partners/deepseek", "libs/partners/google-vertexai", "libs/partners/google-genai", "libs/partners/aws"]'
 
 jobs:
   compute-matrix:
@@ -117,6 +117,7 @@ jobs:
           AZURE_OPENAI_LEGACY_CHAT_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_LEGACY_CHAT_DEPLOYMENT_NAME }}
           AZURE_OPENAI_LLM_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_LLM_DEPLOYMENT_NAME }}
           AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT_NAME }}
+          DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
           FIREWORKS_API_KEY: ${{ secrets.FIREWORKS_API_KEY }}
           GROQ_API_KEY: ${{ secrets.GROQ_API_KEY }}
           HUGGINGFACEHUB_API_TOKEN: ${{ secrets.HUGGINGFACEHUB_API_TOKEN }}

libs/partners/deepseek/poetry.lock

@@ -22,7 +22,7 @@ disallow_untyped_defs = "True"
 [tool.poetry.dependencies]
 python = ">=3.9,<4.0"
 langchain-core = "^0.3.15"
-langchain-openai = "^0.3.2"
+langchain-openai = "^0.3.3"
 
 [tool.ruff.lint]
 select = ["E", "F", "I", "T201"]

libs/partners/deepseek/pyproject.toml

@@ -3,6 +3,8 @@
 from typing import Type
 
 import pytest
+from langchain_core.language_models import BaseChatModel
+from langchain_core.tools import BaseTool
 from langchain_tests.integration_tests import ChatModelIntegrationTests
 
 from langchain_deepseek.chat_models import ChatDeepSeek
@@ -21,8 +23,14 @@ def chat_model_params(self) -> dict:
             "temperature": 0,
         }
 
+    @pytest.mark.xfail(reason="Not yet supported.")
+    def test_tool_message_histories_list_content(
+        self, model: BaseChatModel, my_adder_tool: BaseTool
+    ) -> None:
+        super().test_tool_message_histories_list_content(model, my_adder_tool)
 
-@pytest.mark.xfail(reason="Reasoning API is down")
+
+@pytest.mark.xfail(reason="Takes > 30s to run.")
 def test_reasoning_content() -> None:
     """Test reasoning content."""
     chat_model = ChatDeepSeek(model="deepseek-reasoner")