title: Python's self.parse - why do we use it?
body: <p>Why and when do we use self.parse()?</p>
  
  <p>I've seen this in few functions when I was going through the code of tensorflow's- darkflow </p>
  
  <p>source where I found this: <a href="https://github.com/thtrieu/darkflow/blob/master/darkflow/net/yolo/data.py" rel="nofollow noreferrer">https://github.com/thtrieu/darkflow/blob/master/darkflow/net/yolo/data.py</a></p>