title: Python 3.4 visualizing treelib tree.show()
body: <p>I am using treelib package to store some tree data struccture! </p>
  
  <p>As I follow the example from the documentation of treelib:</p>
  
  <pre><code>&gt;&gt;&gt; from treelib import Node, Tree
  &gt;&gt;&gt; tree = Tree()
  &gt;&gt;&gt; tree.create_node("Harry", "harry")  # root node
  &gt;&gt;&gt; tree.create_node("Jane", "jane", parent="harry")
  &gt;&gt;&gt; tree.create_node("Bill", "bill", parent="harry")
  &gt;&gt;&gt; tree.create_node("Diane", "diane", parent="jane")
  &gt;&gt;&gt; tree.create_node("Mary", "mary", parent="diane")
  &gt;&gt;&gt; tree.create_node("Mark", "mark", parent="jane")
  &gt;&gt;&gt; tree.show()
  </code></pre>
  
  <p>However, I cannot display the tree properly in python 3.4, for example I get this</p>
  
  <pre><code>b'Harry'
  b'\xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 Bill'
  b'\xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 Jane'
  b' \xe2\x94\x9c\xe2\x94\x80\xe2\x94\x80 Diane'
  b' \xe2\x94\x82 \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 Mary'
  b' \xe2\x94\x94\xe2\x94\x80\xe2\x94\x80 Mark'
  </code></pre>
  
  <p>instead of getting this on python 2.7</p>
  
  <pre><code>Harry
  ├── Bill
  └── Jane
       ├── Diane
       │    └── Mary
       └── Mark
  </code></pre>
  
  <p>Is there anyway to fix this in python 3.4?</p>