src/transformers/models/sew_d/modeling_sew_d.py/StableDropout/init_context
class StableDropout:    def init_context(self, reuse_mask=True, scale=1):
        if self.context_stack is None:
            self.context_stack = []
        self.count = 0
        for c in self.context_stack:
            c.reuse_mask = reuse_mask
            c.scale = scale