title: 'Where clause' on a list in a pandas Dataframe
body: <p>I'm having this kind of pandas Datamframe named df:</p>
  
  <pre><code>     email        | list
  ___________________________
  email1@email.com  | [0,1]
  email1@email.com  | [2,1]
  email1@email.com  | [0,3]
  email1@email.com  | [0,0]
  email1@email.com  | [0,1]
  </code></pre>
  
  <p>I want to retrieve all the row from df having a 0 list : [0,0]</p>
  
  <p>I'm doing:</p>
  
  <pre><code>df2 = df[df['list'] == [0,0]]
  </code></pre>
  
  <p>But I'm getting the following error:</p>
  
  <pre><code>ValueError: Arrays were different lengths: 5 vs 2
  </code></pre>