def init_vars(self, block):
        self._live_vars = set(self.interp.get_block_entry_vars(block))
Calculates the number of false positives, true positives, false negatives and true negatives
dataset/ETHPy150Open numba/numba/numba/objmode.py/PyLower.init_vars--crossover with--dataset/ETHPy150Open pivotalsoftware/pymadlib/pymadlib/pyroc.py/ROCData._calculate_counts