title: graph rendering in python (flowchart visualization)
body: <p>to visualize a sequence of nodes connected by edges encoded in python. </p>
  
  <p>looking for a python library to visualize such graph data.</p>
  
  <p>either a library written in python or python bindings, is ok</p>
  
  <p>(i am aware of Visustin, but looking for alternatives)</p>