title: Problem to connect the django with mongodb using djongo
body: <p><strong>How i use</strong></p>
  <pre><code>DATABASES = {
      'default': {
          'ENGINE': 'djongo',
          'NAME': 'rede_social',
          'HOST': 'mongodb+srv://blackwolf449:3CErLxvGLPM4rLsK@cluster0.w1ucl2e.mongodb.net/?retryWrites=true&amp;w=majority',
          'USER': 'blackwolf449',
          'PASSWORD': '3CErLxvGLPM4rLsK'
      }
  }
  </code></pre>
  <p><strong>Error</strong></p>
  <blockquote>
  <p>django.core.exceptions.ImproperlyConfigured: 'djongo' isn't an available database backend or couldn't be imported. Check the above exception. To use one of the built-in backends, use 'django.db.backends.XXX', where XXX is one of:
  'mysql', 'oracle', 'postgresql', 'sqlite3'</p>
  </blockquote>