default colors

app.py

@@ -167,6 +167,7 @@ def make_editing_canvas(canvas_color, brush, _reset_state, generation_mode, pain
             label="Choose colors",
             options=st.session_state['unique_colors'],
             key='chosen_colors',
+            default=st.session_state['unique_colors'],
             format_func=map_colors_rgb
         )
         print(st.session_state['unique_colors'])