No matching distribution found for notifypy

[snowraph]

$ docker build -t hawkscan .
...
4.021 ERROR: Could not find a version that satisfies the requirement notifypy (from versions: none)
4.023 ERROR: No matching distribution found for notifypy
...
ERROR: failed to build: failed to solve: process "/bin/sh -c pip install -r requirements.txt &&     rm -rf .git &&     apk del libffi-dev gcc g++ make openssl-dev curl &&     rm -rf /var/cache/apk/*" did not complete successfully: exit code: 1

Same issue when installing manually.
Is the project dead ?

Thanks !