class_docstr: A context manager that suppress the cython
  stack trace in release build.
code: def __enter__(self):
      pass
  
file_path: turicreate/src/python/turicreate/_cython/context.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import os
label_desc: Use image node_id 2 for calling the debug_trace obj's underlying member method code with example usage: obj.__enter__() without return types