Error in statistics in a new installed system

[System25]

Hi, when you install a new system and you still have no data (no root OU defined) the statistics page (/admins/statistics/) fails because of the empty OUs data:

2019-08-28 10:08:50,919 DEBUG [gecoscc.views.admins][DummyThread-136] admins.py ::: statistics - sorted_ous = OrderedDict()
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/gevent/pywsgi.py", line 936, in handle_one_response
    self.run_application()
  File "/usr/local/lib/python2.7/site-packages/gevent/pywsgi.py", line 909, in run_application
    self.result = self.application(self.environ, self.start_response)
  File "/usr/local/lib/python2.7/site-packages/paste/translogger.py", line 68, in __call__
    return self.application(environ, replacement_start_response)
  File "/usr/local/lib/python2.7/site-packages/pyramid/router.py", line 272, in __call__
    response = self.invoke_subrequest(request, use_tweens=True)
  File "/usr/local/lib/python2.7/site-packages/pyramid/router.py", line 247, in invoke_subrequest
    response = handle_request(request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/tweens.py", line 46, in excview_tween
    response = view_callable(exc, request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/config/views.py", line 385, in viewresult_to_response
    result = view(context, request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/tweens.py", line 21, in excview_tween
    response = handler(request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/router.py", line 163, in handle_request
    response = view_callable(context, request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/config/views.py", line 245, in _secured_view
    return view(context, request)
  File "/usr/local/lib/python2.7/site-packages/pyramid/config/views.py", line 355, in rendered_view
    result = view(context, request)
  File "/usr/local/lib/python2.7/site-packages/gecoscc/views/admins.py", line 410, in statistics
    ou_id = str(sorted_ous.items()[0][0])
IndexError: list index out of range
Wed Aug 28 10:08:50 2019 {'REMOTE_PORT': '50140', 'HTTP_HOST': '192.168.11.14', 'REMOTE_ADDR': '127.0.0.1', (hidden keys: 28)} failed with IndexError

Best regards!