fix copy and delete ( to be activated after copying a shape , as it's will be selected)

labelme.py

@@ -230,6 +230,7 @@ class MainWindow(QMainWindow, WindowMixin):
 
     def copySelectedShape(self):
         self.addLabel(self.canvas.copySelectedShape())
+        self.shapeSelectionChanged(True)
 
     def highlightLabel(self, item):
         if self.highlighted: