Screen issues after running colab using A100-high ram

[mf030619]

Describe the current behavior
After running the code in colab, i encounter screen issues that have multiple horizontal lines moving vertically downwards. It's like the background processes is still running

Describe the expected behavior
I have expected my colab to run as usuals

What web browser you are using
Chrome

Additional context
https://colab.research.google.com/drive/1gq4b7E4IR7SdxpI_X_cySO2C2F2fFsLr?usp=sharing