When database is empty, IndexError is returned

[m0llux]

Traceback:

Environment:

Request Method: GET
Request URL: http://localhost:8000/

Django Version: 1.10.6
Python Version: 3.5.2
Installed Applications:
['budget.apps.BudgetConfig',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'bootstrap3',
'graphos']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']

Traceback:

File "/home/dominik/.virtualenv/django-civbuget/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner
42. response = get_response(request)

File "/home/dominik/.virtualenv/django-civbuget/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
187. response = self.process_exception_by_middleware(e, request)

File "/home/dominik/.virtualenv/django-civbuget/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
185. response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/home/dominik/.virtualenv/django-civbuget/lib/python3.5/site-packages/django/contrib/auth/decorators.py" in _wrapped_view
23. return view_func(request, *args, **kwargs)

File "/home/dominik/CivBudget/budget/views.py" in index
37. start_date = bookings[0].date

File "/home/dominik/.virtualenv/django-civbuget/lib/python3.5/site-packages/django/db/models/query.py" in getitem
295. return list(qs)[0]

Exception Type: IndexError at /
Exception Value: list index out of range