login to pulumi backend (this case it's local) pulumi login --local install packages for virtual environment venv\Scripts\pip install -r requirements.txt if the above fails try this "C:\Users\Almighty\Documents\code\Scripts-n-Stuff\Python\Pulumi\AlmightyDev\AWS\ec2\venv\Scripts\python.exe" -m pip install --upgrade pip deploy the stack pulumi up