class_docstr: Leaky rectifier unit.
class_docstr_tok: ["Leaky","rectifier","unit","."]
code: def backward(self, indexes, grad_outputs):
      if self.slope >= 0:
          cond = self.get_retained_outputs()[0].array
      else:
          cond = self.get_retained_inputs()[0].array
      return _LeakyReLUGrad(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 6 for calling the LeakyReLU obj's underlying member method code with example usage: obj.backward(indexes, grad_outputs) and returns: _LeakyReLUGrad