class_docstr: Suppresses GPU usage within TensorFlow if the Turi Create configuration has
  requested no GPUs to be used. Can also be used as a context manager.
class_docstr_tok: ["Suppresses","GPU","usage","within","TensorFlow","if","the","Turi","Create","configuration","has","requested","no","GPUs","to","be","used",".","Can","also","be","used","as","a","context","manager","."]
code: def __enter__(self):
      self.start()
  
file_path: turicreate/src/python/turicreate/toolkits/_tf_utils.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import numpy
  from turicreate._deps.minimal_package import _minimal_package_import_check
label_desc: Use image node_id 3 for calling the TensorFlowGPUPolicy obj's underlying member method code with example usage: obj.__enter__() without return types