title: ERROR:TypeError: can only join an iterable
body: <p>I need to clean the data "{u'town': u'Bainbridge'} as only bainbridge</p>
  
  <pre class="lang-py prettyprint-override"><code>def clean(self,text):
      if text:
          return ' '.join(''.join(text).split())
  
  ustaApproved = self.clean(raw_ustaApproved)
  certifications = self.clean(raw_certifications)
  </code></pre>