update UI

app.py

@@ -18,12 +18,15 @@ st.subheader('Upload paper in pdf format')
 uploaded_file = st.file_uploader("Choose a file")
 
 if uploaded_file is not None:
-    st.write(uploaded_file.name)
-    bytes_data = uploaded_file.getvalue()
-    st.write(len(bytes_data), "bytes")
+
     option = st.selectbox(
         'Please select one of the parsing method.',
         ('monkey', 'x2d', 'lxml'))
+    
+    st.write(uploaded_file.name)
+    bytes_data = uploaded_file.getvalue()
+    st.write(len(bytes_data), "bytes")
+    
 
     saved_file_path = save_uploaded_file(uploaded_file)