title: ttk treeview get tags
body: <p>Hello i try to get the tags attribute
  i have this</p>
  
  <pre><code>def treeview(self):
      w = self.widget
      curItem = w.focus()
      print w.item(curItem)
  
  lisswidget = ttk.Treeview(photoFrame)
  lisswidget.bind("&lt;&lt;TreeviewSelect&gt;&gt;", treeview)
  lisswidget.insert('', 'end', "", open=True, image=IMG, tags="MyTags")
  </code></pre>
  
  <p>The console return :</p>
  
  <pre><code>{'text': '', 'image': [u'pyimage9'], 'values': '', 'open': 1, 'tags': ['MyTags']}
  </code></pre>
  
  <p>How i can extract tags ?</p>
  
  <p>Thx</p>