modified putMaskImage to try to solve not doing anything other than replace

server.py

@@ -60,6 +60,8 @@ class SegmenterBackground():
         elif(background_image=="remove"):
             outpt=np.zeros_like(raw_image)
         if (type(background_image)==PIL.Image.Image ): # not PIL.JpegImagePlugin.JpegImageFile as resized
+            #make it last case to not always give replace when uploading same image e.g. as in app , this is easiest way to modify server 
+            #,may be clened in other version
             outpt = np.array(background_image.copy())
         else:
             raise("Got unexpected Input in background_image")