def register_cell_formatter(type_or_class, formatter):
    global _cell_formatters
    _cell_formatters[type_or_class] = formatter
If export is not in query string, response should be normal.
dataset/ETHPy150Open TriOptima/tri.table/lib/tri/table/__init__.py/register_cell_formatter--crossover with--dataset/ETHPy150Open ofa/connect/open_connect/reporting/tests/test_views.py/UserReportListViewTest.test_non_export