title: 'TypeError: Expected String or Unicode' when trying to convert json to pandas dataframe
body: <p>I have a json file:</p>
  
  <pre><code>['abc', 'bcd', 'chg', 'sdf', 'bvd', 'wer', 'ewe', 'sbc', 'osc']
  
  &gt;type(json_data)
  &gt;list
  </code></pre>
  
  <p>I am trying to convert it to a dataframe and add a column with an index:</p>
  
  <pre><code>df = pd.read_json(json_data)
  </code></pre>
  
  <p>I am getting an error: </p>
  
  <pre><code>TypeError: Expected String or Unicode    
  </code></pre>
  
  <p>What am I doing wrong? </p>