code: def enable_tensorflow():
      warn_msg = (
          "Built-in TensorFlow support will be removed in Thinc v9. If you need "
          "TensorFlow support in the future, you can transition to using a "
          "custom copy of the current TensorFlowWrapper in your package or "
          "project."
      )
      warnings.warn(warn_msg, DeprecationWarning)
      global tensorflow, has_tensorflow, has_tensorflow_gpu
      import tensorflow
      import tensorflow.experimental.dlpack
  
      has_tensorflow = True
      has_tensorflow_gpu = (
          len(tensorflow.config.get_visible_devices("GPU")) > 0
      )
  
imports: import warnings
  from packaging.version import Version
label_desc: Use image node_id 1 for calling a global function with example usage: enable_tensorflow() without return types