Klever

I got the following exception when attached job.json instead of proper decision configuration file:

Environment:

Request Method: POST
Request URL: http://localhost:8998/jobs/prepare_run/2/

Django Version: 2.0.6
Python Version: 3.5.3
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.humanize',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'jobs',
 'marks',
 'reports',
 'service',
 'tools',
 'users')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware',
 'bridge.utils.BridgeMiddlware')

Traceback:

File "/usr/local/lib/python3.5/dist-packages/django/core/handlers/exception.py" in inner
  35.             response = get_response(request)

File "/usr/local/lib/python3.5/dist-packages/django/core/handlers/base.py" in _get_response
  128.                 response = self.process_exception_by_middleware(e, request)

File "/usr/local/lib/python3.5/dist-packages/django/core/handlers/base.py" in _get_response
  126.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/lib/python3.5/dist-packages/django/views/generic/base.py" in view
  69.             return self.dispatch(request, *args, **kwargs)

File "/var/www/klever-bridge/tools/profiling.py" in dispatch
  187.             response = getattr(super(), 'dispatch')(request, *args, **kwargs)

File "/usr/local/lib/python3.5/dist-packages/django/views/generic/base.py" in dispatch
  89.         return handler(request, *args, **kwargs)

File "/var/www/klever-bridge/jobs/views.py" in post
  425.         return self.render_to_response(self.get_context_data(**kwargs))

File "/var/www/klever-bridge/jobs/views.py" in get_context_data
  442.                     file_conf=json.loads(self.request.FILES['file_conf'].read().decode('utf8'))

File "/var/www/klever-bridge/jobs/utils.py" in __init__
  894.             self.__get_file_conf(file_conf)

File "/var/www/klever-bridge/jobs/utils.py" in __get_file_conf
  930.             if sch[1] == filedata['task scheduler']:

Exception Type: KeyError at /jobs/prepare_run/2/
Exception Value: 'task scheduler'