def _flush_cache(self):
        self.entries = None
Checks for issues with a text range field.
dataset/ETHPy150Open yoavaviram/python-google-spreadsheet/google_spreadsheet/api.py/Worksheet._flush_cache--crossover with--dataset/ETHPy150Open lyda/chkcrontab/chkcrontab_lib.py/CTTextRange.GetDiagnostics