title: twitter api with python name error in connection
body: <pre><code>from twitter import Twitter
  t = Twitter(
      auth=OAuth(
           oauth_token, oauth_token_secret, 
           CONSUMER_KEY, CONSUMER_SECRET
      )
  )
  pythonTweets = t.search.tweets(q = "#python")
  print(pythonTweets)
  </code></pre>
  
  <p>it returns
  NameError Traceback (most recent call last)
   in ()</p>
  
  <pre><code>      1 from twitter import Twitter
  ----&gt; 2 t = Twitter(auth=OAuth('xxxxx','xxxxx',
        3 'xxxxx','xxxxx'))
        4 pythonTweets = t.search.tweets(q = "#python")
        5 print(pythonTweets)
  </code></pre>
  
  <p>NameError: name 'OAuth' is not defined</p>