Fixed Tool and AgentType imports from main langchain package

app.py

@@ -15,11 +15,11 @@ import gradio as gr
 import networkx as nx
 from langchain.prompts import PromptTemplate, MessagesPlaceholder
 from langchain.memory import ConversationBufferMemory
+from langchain.agents import Tool, AgentType
 from langchain_community.llms import HuggingFacePipeline
-from langchain_community.agents import Tool, initialize_agent, AgentType
+from langchain_community.agents import initialize_agent
 import torch
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
-from langchain_community.agents import initialize_agent, Tool
 import subprocess
 import asyncio