code: def check_forward(self, q_data):
      q = chainer.Variable(q_data)
      with self.assertRaises(ImportError):
          self.func(q, self._x)
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_zeta.py
imports: import unittest
  import numpy
  import chainer
  import chainer.functions
  from chainer import testing
label_desc: Use image node_id 2 for calling the TestZetaExceptions obj's underlying member method code with example usage: obj.check_forward(q_data) without return types