Update app.py

app.py

@@ -4,7 +4,7 @@ from langchain.callbacks import StreamlitCallbackHandler
 import streamlit as st
 from langchain_community.llms import LlamaCpp
 from langchain_community.tools import HumanInputRun
-from langchain_community.llms import Ollama
+# from langchain_community.llms import Ollama
 from langchain.agents import AgentExecutor, create_react_agent
 
 #from llama_index.core import VectorStoreIndex, SimpleDirectoryReader, ServiceContext  #Vector store index is for indexing the vector
@@ -29,7 +29,7 @@ from langchain.agents import load_tools, initialize_agent, Tool
 from langchain.tools import HumanInputRun
 from langchain.agents import AgentType
 from langchain_community.document_loaders import PyPDFDirectoryLoader
-from langchain_ollama.llms import OllamaLLM
+# from langchain_ollama.llms import OllamaLLM
 from langchain_core.callbacks import CallbackManager, StreamingStdOutCallbackHandler
 from huggingface_hub import snapshot_download
 from langchain import hub