create simple chat bot

app.py

@@ -1,7 +1,28 @@
 import os
 
 import streamlit as st
-from langchain.llms import openai
+from langchain_openai import OpenAI
+from langchain_core.prompts import ChatPromptTemplate
 
 st.title("Chat with your data")
-promt = st.text_area("Enter your prompt here", "What is the capital of France?")
+
+inp = st.text_input("Enter your prompt here")
+
+llm = OpenAI(api_key=os.environ.get("OPENAI_API_KEY"), temperature=0.2)
+
+# prompt = ChatPromptTemplate.from_messages(
+#     [
+#         (
+#             "system",
+#             "You are a helpful assistant that answer questions from user.",
+#         ),
+#         ("human", "{input}"),
+#     ]
+# )
+
+chain = llm
+if inp:
+    response = chain.invoke(input=inp)
+    st.write(response)
+
+    

requirements.txt

@@ -1,2 +1,2 @@
 langchain
-langchain_community
+langchain_openai