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app.py
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#Hello! It seems like you want to import the Streamlit library in Python. Streamlit is a powerful open-source framework used for building web applications with interactive data visualizations and machine learning models. To import Streamlit, you'll need to ensure that you have it installed in your Python environment.
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#Once you have Streamlit installed, you can import it into your Python script using the import statement,
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import streamlit as st
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from langchain.chat_models import ChatOpenAI
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from langchain.schema import HumanMessage # Used to pass a message from the user
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# Function to return the response
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def load_answer(question):
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llm = ChatOpenAI(model_name="gpt-4", temperature=0)
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# The input to the model must be a list of messages, specifically a HumanMessage.
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answer = llm([HumanMessage(content=question)])
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return answer.content # Extract the content of the response
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# App UI starts here
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st.set_page_config(page_title="LangChain Demo", page_icon=":robot:")
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st.header("LangChain Demo")
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# Gets the user input
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def get_text():
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input_text = st.text_input("You: ", key="input")
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return input_text
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user_input = get_text()
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submit = st.button('Generate')
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# If generate button is clicked
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if submit and user_input:
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st.subheader("Answer:")
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response = load_answer(user_input) # Generate the response
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st.write(response)
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elif submit and not user_input:
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st.warning("Please enter a question.")
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