logs: suppress verbose warnings (#8003)

* suppress nvidia warnings about nim key

* Wrap import libs with the warnings handling

* Handle sigterm for docker exists

* makefile revert

* [autofix.ci] apply automated fixes

* ruff

* use sqlmodel paginate

* Try to update polling timeout

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/backend/tests/unit/components/helpers/test_structured_output_component.py

@@ -4,7 +4,6 @@ from unittest.mock import patch
 
 import openai
 import pytest
-from langchain_nvidia_ai_endpoints import ChatNVIDIA
 from langchain_openai import ChatOpenAI
 from langflow.components.helpers.structured_output import StructuredOutputComponent
 from langflow.helpers.base_model import build_model_from_schema
@@ -415,6 +414,12 @@ class TestStructuredOutputComponent(ComponentTestBaseWithoutClient):
     )
     def test_with_real_nvidia_model_simple_schema(self):
         # Create a real NVIDIA model
+        try:
+            from langchain_nvidia_ai_endpoints import ChatNVIDIA
+        except ImportError as e:
+            msg = "Please install langchain-nvidia-ai-endpoints to use the NVIDIA model."
+            raise ImportError(msg) from e
+
         llm = ChatNVIDIA(model="meta/llama-3.2-3b-instruct", temperature=0, max_tokens=10)
 
         # Create a component with a simple schema

src/backend/tests/unit/test_chat_endpoint.py

@@ -164,7 +164,7 @@ async def test_build_flow_polling(client, json_memory_chatbot_no_llm, logged_in_
             self.status_code = codes.OK
             self.max_total_events = 50  # Limit to prevent infinite loops
             self.max_empty_polls = 10  # Maximum number of empty polls before giving up
-            self.poll_timeout = 1.0  # Timeout for each polling request
+            self.poll_timeout = 3.0  # Timeout for each polling request
 
         async def aiter_lines(self):
             try: