L4 GPU is not working

[pixelpathologist]

Describe the current behavior
I´m trying to use the GPU using detectron2 and when I try to use de L4 GPU doesn´t connects.

Describe the expected behavior

Upload and see images and use Detectron2 por image analysis

What web browser you are using
Chrome

Additional context

[colaboratory-team]

This seems to be an issue with installing the 5.1 version of pyyaml - Colab already include version 6, are you able to skip that pip install step and use that version?