fixed extra iteration while uploading new files

app.py

@@ -262,10 +262,10 @@ if colorizer is not None:
     
     # If session state is not empty, we will process stored images
     if st.session_state['uploaded_files']:
-        if len(uploaded_files) == 1:
-            display_single_image(uploaded_files[0], st.session_state.max_img_size)
-        elif len(uploaded_files) > 1:
-            process_multiple_images(uploaded_files, st.session_state.max_img_size)
+        if len(st.session_state['uploaded_files']) == 1:
+            display_single_image(st.session_state['uploaded_files'][0], st.session_state.max_img_size)
+        elif len(st.session_state['uploaded_files']) > 1:
+            process_multiple_images(st.session_state['uploaded_files'], st.session_state.max_img_size)
             
         # Reset session state variable
         st.session_state['uploaded_files'] = None