Upload agent.py

agent.py

@@ -1,9 +1,12 @@
 """LangGraph Agent"""
+
 import os
 from dotenv import load_dotenv
+
 from langgraph.graph import START, StateGraph, MessagesState
 from langgraph.prebuilt import tools_condition
 from langgraph.prebuilt import ToolNode
+
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_groq import ChatGroq
 from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint, HuggingFaceEmbeddings
@@ -14,10 +17,12 @@ from langchain_community.vectorstores import SupabaseVectorStore
 from langchain_core.messages import SystemMessage, HumanMessage
 from langchain_core.tools import tool
 from langchain.tools.retriever import create_retriever_tool
-from supabase.client import Client, create_client
 from langchain_openai import ChatOpenAI
 from langchain_anthropic import ChatAnthropic
 
+from supabase.client import Client, create_client
+
+
 
 load_dotenv()
 
@@ -86,6 +91,8 @@ def wiki_search(query: str) -> str:
             for doc in search_docs
         ])
     return {"wiki_results": formatted_search_docs}
+    
+
 
 @tool
 def web_search(query: str) -> str:
@@ -170,7 +177,7 @@ tools = [
 ]
 
 # Build graph function
-def build_graph(provider: str = "openai"):
+def build_graph(provider: str = "groq"):
     """Build the graph"""
     # Load environment variables from .env file
     if provider == "openai":