Update app.py

app.py

@@ -355,10 +355,12 @@ with st.sidebar:
     docs = st.file_uploader("Upload your documents", accept_multiple_files=True)
     with st.spinner("Processing"):
         raw = extract_text_from_pdfs(docs)
-        text_chunks = split_text_into_chunks(raw)
-        vectorstore = create_vector_store_from_text_chunks(text_chunks)
-        st.session_state.conversation = create_conversation_chain(vectorstore)
-        length = str(len(raw))
-        st.markdown('# Extracted Text of Length:' + length + ' and Created Search Index')
-        filename = generate_filename(raw, choice)
-        create_file(filename, raw_text, '')
+        if len(raw) > 0:
+            length = str(len(raw))
+            text_chunks = split_text_into_chunks(raw)
+            vectorstore = create_vector_store_from_text_chunks(text_chunks)
+            st.session_state.conversation = create_conversation_chain(vectorstore)
+            st.markdown('# Extracted Text of Length:' + length + ' and Created Search Index')
+            filename = generate_filename(raw, choice)
+            create_file(filename, raw_text, '')
+