Update app.py

app.py

@@ -85,11 +85,6 @@ def main():
     st.markdown("<h1 style='font-size:24px;'>ChatBot by Muhammad Huzaifa</h1>", unsafe_allow_html=True)
     api_key = st.secrets["inference_api_key"]
 
-    user_question = st.text_input("Ask a question from the Docs")
-
-    if user_question:
-        user_input(user_question, api_key)
-
     with st.sidebar:
         st.title("Menu:")
         pdf_docs = st.file_uploader("Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True)
@@ -99,6 +94,16 @@ def main():
                 text_chunks = get_text_chunks(raw_text)
                 get_vector_store(text_chunks, api_key)
                 st.success("Done")
+
+    # Check if any document is uploaded
+    if pdf_docs:
+        user_question = st.text_input("Ask a question from the Docs")
+
+        if user_question:
+            user_input(user_question, api_key)
+    else:
+        st.write("Please upload a document first to ask questions.")
+
                 
 if __name__ == "__main__":
     main()