Update app.py

app.py

@@ -20,8 +20,8 @@ from typing import Optional, List, Any, Type
 from pydantic import BaseModel, Field
 from transformers import AutoTokenizer, AutoModelForCausalLM, BitsAndBytesConfig
 import torch
-# Load environment variables from .EVN fil (case-sensitive)
-load_dotenv(".evn")
+
+load_dotenv(".env")
 HF_TOKEN = os.getenv("HF_TOKEN") or os.getenv("HUGGINGFACEHUB_API_TOKEN")
 print("Environment variables loaded.")
 
@@ -394,7 +394,7 @@ def create_langchain_agent():
     agent = initialize_agent(
         tools=tools,
         llm=llm,
-        agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
+        agent=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION,
         memory=memory,
         verbose=False,
         max_iterations=3,