code: def test_simple(self):
      self.assertEqual(inline("return 1+2", **self.test_kwds), 3)
  
file_path: catboost/contrib/tools/cython/Cython/Build/Tests/TestInline.py
imports: import os, tempfile
  from Cython.Shadow import inline
  from Cython.Build.Inline import safe_type
  from Cython.TestUtils import CythonTest
label_desc: Use image node_id 2 for calling the TestInline obj's underlying member method code with example usage: obj.test_simple() without return types