PDF2Image and Poppler problems

Using Streamlit
,
1

Hello everyone,

I deployed a chatbot app on Streamlit, and it was working well. However, it suddenly encountered an error:

FileNotFoundError: [Errno 2] No such file or directory: ‘pdfinfo’
pdf2image.exceptions.PDFInfoNotInstalledError: Unable to get page count. Is poppler installed and in PATH?

Upon researching this issue online, I found suggestions to add poppler-utils to packages.txt and pdf2image to requirements.txt . I followed these instructions, but unfortunately, the problem persists.

This is my code :

st.header("Support Client 💬 📚")

if "messages" not in st.session_state.keys():
    st.session_state.messages = [
        {"role": "assistant", "content": "Ask me a question"}
    ]
    
@st.cache_resource(show_spinner=False)
def load_data():
    with st.spinner(text="Loading information "):
        loader = DirectoryLoader("DOCUMENTS/")
        index = VectorstoreIndexCreator().from_loaders([loader])
        return index
    
index = load_data()
if prompt := st.chat_input("Your question"):
    st.session_state.messages.append({"role": "user", "content": prompt})

for message in st.session_state.messages:
    with st.chat_message(message["role"]):
        st.write(message["content"])
        
if st.session_state.messages[-1]["role"] != "assistant":
    with st.chat_message("assistant"):
        with st.spinner("Thinking..."):
            response = index.query(prompt, llm = ChatOpenAI(model="gpt-4-1106-preview"))
            st.write(response)
            message = {"role": "assistant", "content": response}
            st.session_state.messages.append(message)

Before, I successfully deployed and used the chatbot app. However, the error suddenly appeared recently.

2

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