[tests] Fix tox ImportError

CONTRIBUTING.md

@@ -140,6 +140,8 @@ development team.
   - `model.py`
   - `webapi.py`
 2. Import your bot in `kibicara/webapi/__init__.py`.
+3. Generate the FastAPI stuff
+4. Generate the angular components for the kibicara-frontend from the FastAPI stuff
 
 ### Explanation
 
@@ -202,3 +204,5 @@ A bot should have at least this functionality:
         - e.g. Twitter via posts or retweets
         - e.g. Telegram via direct message from the bot
         - e.g. E-Mail via e-mail to the user's address
+
+- Web Interface (hood admins)

setup.py

@@ -29,5 +29,6 @@ setup(
         'pytoml',
         'requests',
         'scrypt',
+        'httpx',
     ],
 )