title: How to pop None from serializer.data in python?
body: <p>When i looping through <strong>serializer.data</strong> is shows <strong>None</strong> inside that. I want to pop None from that.</p>
  <p>If I have:</p>
  <pre><code>serializer.data = OrderedDict([('customer', OrderedDict([('name', 'Sachin'), ('email', 
                    'abc@gmail.com'), ('created_at','2021-03-12T15:04:25.695147+05:30'), 
                    ('updated_at','2021-03-12T15:04:25.695147+05:30'), ('user', 9)]))])
                    None
                    OrderedDict([('customer', OrderedDict([('name', 'Sachin'), ('email', 
                    'abc@gmail.com'), ('created_at', '2021-03-12T15:04:25.695147+05:30'), 
                    ('updated_at', '2021-03-12T15:04:25.695147+05:30'), ('user', 9)]))]) 
  </code></pre>