$ python manage.py runserver
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/__init__.py", line 363, in execute_from_command_line
utility.execute()
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/__init__.py", line 355, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/base.py", line 283, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/commands/runserver.py", line 62, in execute
super(Command, self).execute(*args, **options)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/base.py", line 330, in execute
output = self.handle(*args, **options)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/core/management/commands/runserver.py", line 73, in handle
if not settings.DEBUG and not settings.ALLOWED_HOSTS:
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/conf/__init__.py", line 56, in __getattr__
self._setup(name)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/conf/__init__.py", line 41, in _setup
self._wrapped = Settings(settings_module)
File "/home/robert/.virtualenvs/stadt/lib/python3.4/site-packages/django/conf/__init__.py", line 129, in __init__
raise ImproperlyConfigured("The SECRET_KEY setting must not be empty.")
django.core.exceptions.ImproperlyConfigured: The SECRET_KEY setting must not be empty.