visualizing .asm with graphiviz

When you are tired, stop coding. Because you are getting no where.
If your head is clear, you get the clear ans.

def graphbuilder(t):
  edge_list = []
  for proc in t.findall('procedure'):
    for frag in proc.findall('fragment'):
      for op in frag.findall('op'):
        operator = op.get('operator')
        operand = op.get('operand')
        if operator.startswith('call'):
          if operand.startswith('dword'):
            call_target = operand.rsplit(' ')[-1][:-1]
          else:
            call_target = operand
          edge_list.append((proc.get('addr'), call_target))
  return pydot.graph_from_edges(edge_list, directed=True)