Python Dispatch("Photoshop.Application") doesn't work anymore

I controlled photoshop via python using
   import win32com.client
   App = win32com.client.Dispatch("Photoshop.Application")
But after installing the a newer version of Photoshop, I can't do that anymore.
There is a 'Invalid class string' which shows that Photoshop is no longer recognized 😞

Any idea ?