def frequency(self, fieldid, text):
        raise NotImplementedError
Returns the (x, y) tuple of the point that has progressed a proportion
dataset/ETHPy150Open dokipen/whoosh/src/whoosh/reading.py/IndexReader.frequency--crossover with--dataset/ETHPy150Open asweigart/pyautogui/pyautogui/__init__.py/getPointOnLine