code: def backward(self, indexes, grad_outputs):
      return _LeakyReLUGrad(self.cond, self.slope).apply(grad_outputs)
  
imports: from chainer.backends import cuda
  from chainer.backends import intel64
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 5 for calling the _LeakyReLUGrad obj's underlying member method code with example usage: obj.backward(indexes, grad_outputs) and returns: _LeakyReLUGrad