title: 'numpy.ndarray' object has no attribute 'reset_index'
body: <p>I have installed pandas but I still have trouble using reset_drop...any idea what the problem is?!
  recently I've been using   and dataframing and I have trouble using reset_drop code the result is</p>
  <pre><code>'numpy.ndarray' object has no attribute 'reset_index'
  </code></pre>