Python venv with fish shell

These commands can be used to create virtualenv with bash or zsh

virtualenv -p $(which python3) .env
source .env/bin/activate
pip install -r requirements.txt

to do the same in fish you can use these:

# Create
virtualenv venv
# Activate
. venv/bin/activate.fish
# install requirements
./venv/bin/pip install -r requirements.txt