title: I'm getting Key error in python
body: <p>In my python program I am getting this error:</p>
  
  <pre><code>KeyError: 'variablename'
  </code></pre>
  
  <p>From this code:</p>
  
  <pre><code>path = meta_entry['path'].strip('/'),
  </code></pre>
  
  <p>Can anyone please explain why this is happening?</p>