Contributing

Installing the development environment

Create a virtual environment and install the dev-requirements.txt

cd django-sendgrid-v5
virtualenv venv
source venv/bin/activate
pip install -r dev-requirements.txt
pip install -e .

If you want to run tests that post to the sendgrid API directly, you need to set an environment variable, SENDGRID_API_KEY. Otherwise, related tests will fail.
Run the unit tests tox
Run code linting/formatting/type checking (from the repository's root directory), and correct any issues:
```
flake8 sendgrid_backend/
isort ./
black ./
mypy sendgrid_backend/
```