title: i get "internal server error' when i add 'django_social_share' to my installed app
body: <p>I have a web app running on AWS LIGHTSAIL, everything works fine, but on installation of</p>
  <pre><code>    'django_social_share',
  </code></pre>
  <p>and addition to my installed app, I get <strong>internal server error</strong> when the page is refreshed.</p>
  <p>Removing <strong>django_social_share</strong> from installed app takes everything back to normal. Please I need help plus if there is any other library I can use to share post.</p>
  <p>Thanks!!</p>