class_docstr: Yields `Event` protocol buffers from a given path.
code: def __iter__(self):
      return self
  
file_path: tensorflow-upstream/tensorflow/python/summary/summary_iterator.py
imports: from tensorflow.core.util import event_pb2
  from tensorflow.python.lib.io import tf_record
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 2 for calling the _SummaryIterator obj's underlying member method code with example usage: obj.__iter__() and returns: self