Error when install BNN

when i tried to run BNN xilinx project, an error appears as illustrated by screenshot

I use pynq v2.5, please if any one can help me
thx

This looks like an internet problem. Is the board connected to the internet?

If you are having problems installing directly, you can download a zip of the GitHub repo, copy it to the board and unzip, and then run pip on the local folder
Something like:

pip3 install ./BNN-master

Cathal