code: def selu_paper(self, x):
      return self.selu(
          x,
          alpha=1.6732632423543772848170429916717,
          lmbda=1.0507009873554804934193349852946,
      )
  
imports: import pytest
  import numpy
  import theano.tensor
label_desc: Use image node_id 7 for calling the TestNonlinearities obj's underlying member method code with example usage: obj.selu_paper(x) and returns: self