code: def scaled_tanh_p(self, x):
      return 2.27 * np.tanh(0.5 * x)
  
imports: import pytest
  import numpy
  import theano.tensor
label_desc: Use image node_id 14 for calling the TestNonlinearities obj's underlying member method code with example usage: obj.scaled_tanh_p(x) and returns: unknown