Update app.py

app.py

@@ -79,28 +79,30 @@ def user_input(user_question, api_key):
         text_to_speech(text)
 
 def main():
-    
     st.set_page_config(layout="centered")
     st.header("Chat with DOCS")
     st.markdown("<h1 style='font-size:20px;'>ChatBot by Muhammad Huzaifa</h1>", unsafe_allow_html=True)
     api_key = st.secrets["inference_api_key"]
     
-    
     with st.sidebar:
         st.header("Chat with PDF")
-        # st.title("Menu:")
+    
     pdf_docs = st.file_uploader("Upload your PDF Files and Click on the Submit Button", accept_multiple_files=True, type=["pdf"])
-    if st.button("Submit"):
+    
+    if st.button("Submit") and pdf_docs:
         with st.spinner("Processing..."):
             raw_text = get_pdf_text(pdf_docs)
             text_chunks = get_text_chunks(raw_text)
             get_vector_store(text_chunks, api_key)
-            st.success("Done")
-        if pdf_docs:
-            user_question = st.text_input("Ask a question from the Docs")
-            if user_question:
-                user_input(user_question, api_key)
-                
+            st.success("Processing Complete")
+
+    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 PDF documents to proceed.")
+             
     # # Check if any document is uploaded
     # if pdf_docs:
     #     user_question = st.text_input("Ask a question from the Docs")