title: How to prevent json_normalize from repeating column headings in Pandas?
body: <p>My json is structured as follows:</p>
  
  <pre><code>{
     "data": {
                "item1": {
                         "field1": "foo",
                         "field2": "bar",
                         "field3": "baz"
                         },
                "item2": {
                         "field1": "foo1",
                         "field2": "bar1",
                         "field3": "baz1"
                         },
             }
  }
  </code></pre>
  
  <p>When I normalize this data structure using <code>pd.io.json.json_normalize</code>, I get a data frame with 1 row and the column headings repeated for each data item. How do I get the repeated columns to appear as rows instead of columns? </p>
  
  <p>I currently get this</p>
  
  <pre><code>field1 | field2 | field3 | field1 |field2 | field3
  
  foo     | bar    | baz    | foo1   | bar1  | baz1  
  </code></pre>
  
  <p>What I want is:</p>
  
  <pre><code>field1 | field2 | field3 |
  
  
  foo     | bar    | baz
  
  foo1    | bar1   | baz1
  </code></pre>