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{"error": "Traceback (most recent call last):\n  File \"/home/lepromap/website/common/decorators.py\", line 60, in wrapper\n    response = func(request, *args, **kwargs)\n  File \"/home/lepromap/website/leprosorium/views.py\", line 52, in add_username\n    if City.objects.filter(lat=coords['coordinates'][1], lng=coords['coordinates'][0]).count()>0:\nTypeError: 'NoneType' object is unsubscriptable\n"}