text: import os
  os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2' 
  import tensorflow as tf
  config = tf.compat.v1.ConfigProto(gpu_options = 
                           tf.compat.v1.GPUOptions(per_process_gpu_memory_fraction=0.8)
  )
  config.gpu_options.allow_growth = True
  session = tf.compat.v1.Session(config=config)
  tf.compat.v1.keras.backend.set_session(session)
  
  