Update app file

app.py

@@ -34,12 +34,11 @@ with col2:
 
 st.write('##')
     
-col1, col2, col3 = st.columns([10, 10, 10])
-with col1:
+col1, col2, col3, col4 = st.columns([10, 10, 10, 10])
+with col2:
     st.markdown(f"##### Input File")
     # set input image by upload
     image_file = st.file_uploader("Upload your diagram", type=["pdf"])
-with col2:
     # set input images from examples
     def slider_func(option):
         option_to_id = {