💊 CI failures summary and remediations

As of commit 500f826 (more details on the Dr. CI page):

• 1/1 failures introduced in this PR

🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages:

python_type_check (1/1)

Step: "sudo apt-get update -y
sudo apt install -y libturbojpeg-dev
pip install --user --progress-bar off mypy
pip install --user --progress-bar off types-requests
pip install --user --progress-bar off --pre torch -f https://download.pytorch.org/whl/nightly/cpu/torch_nightly.html
pip install --user --progress-bar off git+https://github.com/pytorch/data.git
pip install --user --progress-bar off --no-build-isolation --editable .
mypy --config-file mypy.ini
" (full log | diagnosis details | 🔁 rerun)

�[33mWARNING: You are using pip version 21.2.4; however, version 21.3.1 is available.
You should consider upgrading via the '/usr/local/bin/python -m pip install --upgrade pip' command.�[0m
torchvision/prototype/models/resnet.py:52: error: Name "blah" is not defined 
[name-defined]
                    f"Oops, you specified num_classes={blah} but this is i...
                    ^
torchvision/prototype/models/resnet.py:52: error: Name "blop" is not defined 
[name-defined]
                    f"Oops, you specified num_classes={blah} but this is i...
                    ^
Found 2 errors in 1 file (checked 190 source files)


Exited with code exit status 1

@NicolasHug I believe we addressed all the comments on this PR and we can close it. If there are more, happy to make the needed changes. Let me know

Thanks for all the discussions @datumbox @fmassa , we can safely close this one now. Latest discussions were tracked in #4652 (comment)