code: def t(self, codestr):
      self.assertCode(codestr, self.fragment(codestr).root)
  
file_path: catboost/contrib/tools/cython/Cython/Tests/TestCodeWriter.py
imports: from Cython.TestUtils import CythonTest
label_desc: Use image node_id 1 for calling the TestCodeWriter obj's underlying member method code with example usage: obj.t(codestr) without return types