scaling state

app.py

@@ -138,8 +138,10 @@ if __name__ == "__main__":
         def update_scale(width:int, height:int, image: np.ndarray):
 
             widthImage, heightImage = image.shape[:2]
-            maxScale = int((width/widthImage + height/heightImage)/2)
-            return maxScale
+            scale = int((width/widthImage + height/heightImage)/2)
+            return {
+                maxScale: scale
+            }
         image.change(fn=update_scale, inputs=[width, height, image], outputs=maxScale)
         fit.click(fn=process, inputs=[width, height, scale, maxScale, image], outputs=[plot_output, total])