title: Reindex in Pandas is not accepting axis argument?
body: <p>I am running the examples in the pandas documentation (<a href="https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.reindex.html" rel="nofollow noreferrer">https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.reindex.html</a>)
  and I got an unexpected exception:</p>
  
  <pre><code>index = ['Firefox', 'Chrome', 'Safari', 'IE10', 'Konqueror']
  df = pd.DataFrame({
        'http_status': [200,200,404,404,301],
        'response_time': [0.04, 0.02, 0.07, 0.08, 1.0]},
         index=index)
  
  df.reindex(['http_status', 'user_agent'], axis="columns")
  TypeError: reindex() got an unexpected keyword argument "axis"
  </code></pre>