code: def test_cython_inline(self):
      ip = self._ip
      ip.ex("a=10; b=20")
      result = ip.run_cell_magic("cython_inline", "", "return a+b")
      self.assertEqual(result, 30)
  
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 3 for calling the TestIPythonMagic obj's underlying member method code with example usage: obj.test_cython_inline() without return types