code: def setUp(self):
      CythonTest.setUp(self)
      self._ip.extension_manager.load_extension("cython")
  
imports: from __future__ import absolute_import
  import os
  import sys
  from contextlib import contextmanager
  from Cython.Build import IpythonMagic
  from Cython.TestUtils import CythonTest
label_desc: Use image node_id 2 for calling the TestIPythonMagic obj's underlying member method code with example usage: obj.setUp() without return types