CSRF_TRUSTED_ORIGINS added to config

main/settings.py

     'DEBUG': False,
     'SECRET_KEY': None,
     'ALLOWED_HOSTS': ['127.0.0.1', ],
+    'CSRF_TRUSTED_ORIGINS': [],
     'DEFAULT_THEME': 'clear-red',
     'ITEM_ROOT': os.path.join(BASE_DIR, 'data', 'example_data'),
     'THUMBNAIL_SIZES': [137, 175, 250],