code: def _jitter(c, magnitude:uniform):
      "Replace pixels by random neighbors at `magnitude`."
      c.flow.add_((torch.rand_like(c.flow)-0.5)*magnitude*2)
      return f _jitter(c, magnitude:uniform):
      "Replace pixels by random neighbors at `magnitude`."
      c.flow.add_((torch.rand_like(c.flow)-0.5)*magnitude*2)
      return c
docs: Replace pixels by random neighbors at `magnitude`.