class_docstr: Compare TP with high degrees of freedom to GP
class_docstr_tok: ["Compare","TP","with","high","degrees","of","freedom","to","GP"]
code: def testAdditiveTPRaises(self):
      with pm.Model() as model:
          scale_func = pm.gp.cov.ExpQuad(3, [0.1, 0.2, 0.3])
          gp1 = pm.gp.TP(scale_func=scale_func, nu=10)
          gp2 = pm.gp.TP(scale_func=scale_func, nu=10)
          with pytest.raises(Exception) as e_info:
              gp1 + gp2
  
imports: from functools import reduce
  from operator import add
  import numpy
  import numpy.testing
  import pytest
  import pymc
  from pymc.math import cartesian
label_desc: Use image node_id 4 for calling the TestTP obj's underlying member method code with example usage: obj.testAdditiveTPRaises() without return types