opening the image leads to funny action - cannot see any thing but a black box

[saint_m]

good day you both - very glad to hear from you.







 Well i will try to reproduce the steps so that we can have the file again.

see here : 

       

btw: if you want to run the code - you can do it here: https://colab.research.google.com/drive/...sp=sharing

then you can see the outcome - and all that stuff 

love to hear from you