settings.py

from os import environ
import importlib.util


if environ.get('OTREE_PRODUCTION') not in {None, '', '0'}:
    DEBUG = False
    APPS_DEBUG = False
else:
    DEBUG = True
    APPS_DEBUG = True   # also enables random fill in of forms


# if you set a property in SESSION_CONFIG_DEFAULTS, it will be inherited by all configs
# in SESSION_CONFIGS, except those that explicitly override it.
# the session config can be accessed from methods in your apps as self.session.config,
# e.g. self.session.config['participation_fee']

SESSION_CONFIG_DEFAULTS = {
    'real_world_currency_per_point': 1.00,
    'participation_fee': 0.00,
    'doc': "",
}

SESSION_CONFIGS = [
    {
        'name': 'iat',
        'display_name': "Implicit Association Test (IAT)",
        'num_demo_participants': 4,
        'app_sequence': ['iat']
    }
]

BROWSER_COMMAND = '/usr/bin/chromium-browser'

ROOM_DEFAULTS = {}

ROOMS = []

# ISO-639 code
# for example: de, fr, ja, ko, zh-hans
LANGUAGE_CODE = 'en'

# e.g. EUR, GBP, CNY, JPY
REAL_WORLD_CURRENCY_CODE = 'USD'
USE_POINTS = True

ADMIN_USERNAME = 'admin'
# for security, best to set admin password in an environment variable
ADMIN_PASSWORD = environ.get('OTREE_ADMIN_PASSWORD')

DEMO_PAGE_INTRO_HTML = """ """

SECRET_KEY = '<SET_KEY_HERE>'

# if an app is included in SESSION_CONFIGS, you don't need to list it here
INSTALLED_APPS = ['otree']

if importlib.util.find_spec('otreeutils'):
    INSTALLED_APPS.append('otreeutils')

    if importlib.util.find_spec('pandas'):
        ROOT_URLCONF = 'iat.urls'