enhancement: introduce Ruff for Python linter for reordering and removing unused imports with automated pre-commit and sytle check (#2366)

api/core/features/agent_runner.py

@@ -1,5 +1,7 @@
 import logging
-from typing import List, Optional, cast
+from typing import Optional, cast
+
+from langchain.tools import BaseTool
 
 from core.agent.agent.agent_llm_callback import AgentLLMCallback
 from core.agent.agent_executor import AgentConfiguration, AgentExecutor, PlanningStrategy
@@ -7,20 +9,20 @@ from core.application_queue_manager import ApplicationQueueManager
 from core.callback_handler.agent_loop_gather_callback_handler import AgentLoopGatherCallbackHandler
 from core.callback_handler.index_tool_callback_handler import DatasetIndexToolCallbackHandler
 from core.callback_handler.std_out_callback_handler import DifyStdOutCallbackHandler
-from core.entities.application_entities import (AgentEntity, AgentToolEntity, AppOrchestrationConfigEntity, InvokeFrom,
-                                                ModelConfigEntity)
+from core.entities.application_entities import (
+    AgentEntity,
+    AppOrchestrationConfigEntity,
+    InvokeFrom,
+    ModelConfigEntity,
+)
 from core.memory.token_buffer_memory import TokenBufferMemory
 from core.model_runtime.entities.model_entities import ModelFeature, ModelType
 from core.model_runtime.model_providers import model_provider_factory
 from core.model_runtime.model_providers.__base.large_language_model import LargeLanguageModel
 from core.tools.tool.dataset_retriever.dataset_retriever_tool import DatasetRetrieverTool
 from extensions.ext_database import db
-from langchain import WikipediaAPIWrapper
-from langchain.callbacks.base import BaseCallbackHandler
-from langchain.tools import BaseTool, Tool, WikipediaQueryRun
 from models.dataset import Dataset
 from models.model import Message
-from pydantic import BaseModel, Field
 
 logger = logging.getLogger(__name__)