code: def __enter__(self):
      self.original_value = is_tracking_enabled()
      set_global_attribute("tracking_on", False)
  
imports: from functools import wraps
  from keras.backend.common.global_state import get_global_attribute
  from keras.backend.common.global_state import set_global_attribute
  from keras.utils import python_utils
label_desc: Use image node_id 1 for calling the DotNotTrackScope obj's underlying member method code with example usage: obj.__enter__() without return types