Refactor graph.py and test_agent.py by removing unused imports to streamline code and improve readability. This includes the removal of uuid, requests, and unnecessary components from langchain_core.

graph.py

@@ -2,19 +2,14 @@
 
 import logging
 import os
-import uuid
-from typing import Dict, List, Optional, TypedDict, Union, cast
+from typing import Dict, List, Optional, TypedDict, Union
 
 import yaml
-from langchain_core.language_models import BaseChatModel
 from langchain_core.messages import AIMessage, HumanMessage, SystemMessage
-from langchain_core.output_parsers import StrOutputParser
-from langchain_core.prompts import ChatPromptTemplate
 from langchain_core.runnables import RunnableConfig
 from langgraph.graph import END, StateGraph
-from langgraph.prebuilt import ToolExecutor, ToolNode
 from langgraph.types import interrupt
-from smolagents import CodeAgent, LiteLLMModel, ToolCallingAgent
+from smolagents import CodeAgent, LiteLLMModel
 
 from configuration import Configuration
 from tools import tools

test_agent.py

@@ -1,8 +1,6 @@
 import logging
 
 import pytest
-import requests
-from langgraph.types import Command
 
 from agent import AgentRunner