Update app.py

app.py

@@ -66,7 +66,7 @@ def process_sketch(canvas_data, binary_matrixes):
   for n in range(MAX_COLORS):
     visibilities.append(gr.update(visible=False))
     colors.append(gr.update(value=f'<div class="color-bg-item" style="background-color: black"></div>'))
-  for n in range(len(colors)-1):
+  for n in range(len(colors_fixed)):
     visibilities[n] = gr.update(visible=True)
     colors[n] = colors_fixed[n]
   return [gr.update(visible=True), binary_matrixes, *visibilities, *colors]