fix more linting issues

tests/conftest.py

@@ -10,7 +10,7 @@ from langflow.services.database.models.flow.flow import Flow, FlowCreate
 from langflow.services.database.models.user.user import User, UserCreate
 import orjson
 from langflow.services.database.utils import session_getter
-from langflow.services.getters import get_db_service, get_session
+from langflow.services.getters import get_db_service
 import pytest
 from fastapi.testclient import TestClient
 from httpx import AsyncClient
@@ -88,10 +88,7 @@ def setup_env(monkeypatch):
 @pytest.fixture(name="distributed_client")
 def distributed_client_fixture(session: Session, monkeypatch, distributed_env):
     # Here we load the .env from ../deploy/.env
-    from dotenv import load_dotenv
-    from langflow.services.task import manager
     from langflow.core import celery_app
-    from langflow.services.manager import reinitialize_services, initialize_services
 
     db_dir = tempfile.mkdtemp()
     db_path = Path(db_dir) / "test.db"

tests/test_graph.py

@@ -3,7 +3,6 @@ import os
 from pathlib import Path
 import pickle
 from typing import Type, Union
-from langflow import graph
 from langflow.graph.edge.base import Edge
 from langflow.graph.vertex.base import Vertex
 from langchain.agents import AgentExecutor
@@ -12,11 +11,9 @@ from langchain.chains.base import Chain
 from langchain.llms.fake import FakeListLLM
 from langflow.graph import Graph
 from langflow.graph.vertex.types import (
-    AgentVertex,
     FileToolVertex,
     LLMVertex,
     ToolkitVertex,
-    VectorStoreVertex,
 )
 from langflow.processing.process import get_result_and_thought
 from langflow.utils.payload import get_root_node

tests/test_setup_superuser.py

@@ -1,4 +1,3 @@
-from unittest import mock
 from unittest.mock import patch, Mock, MagicMock, call
 from langflow.services.database.models.user.user import User
 from langflow.services.settings.constants import (
@@ -6,7 +5,6 @@ from langflow.services.settings.constants import (
     DEFAULT_SUPERUSER_PASSWORD,
 )
 from langflow.services.utils import (
-    initialize_settings_service,
     setup_superuser,
     teardown_superuser,
 )