* [mypy](http://mypy-lang.org/) (plus typing information for external libs)
* [Python Typing Extensions](https://github.com/python/typing_extensions) (for Python < 3.9)
* [pytest](https://pytest.org)
+* [pytest-asyncio](https://pytest-asyncio.readthedocs.io)
For testing the Python search frontend, you need to install extra dependencies
depending on your choice of webserver framework:
sudo apt install php-cgi phpunit php-codesniffer \
python3-pip python3-setuptools python3-dev
-pip3 install --user behave mkdocs mkdocstrings pytest pylint \
+pip3 install --user behave mkdocs mkdocstrings pytest pytest-asyncio pylint \
mypy types-PyYAML types-jinja2 types-psycopg2 types-psutil \
- types-ujosn \
+ types-ujson types-requests types-Pygments typing-extensions\
sanic-testing httpx asgi-lifespan
```