title: There is no South database module 'south.db.postgresql_psycopg2' for your database django
body: <p>I have a django app with version as <code>1.6.5</code>, i am trying to upgrade it to <code>1.8</code>, but on the way i got the below error right after the django version was increased  to <code>1.8</code></p>
  
  <pre><code>There is no South database module 'south.db.postgresql_psycopg2' for your database. Please either choose a supported database, check for SOUTH_DATABASE_ADAPTER[S] settings, or remove South from INSTALLED_APPS.
  </code></pre>
  
  <p>Code</p>
  
  <pre><code>INSTALLED_APPS = [
     'django_messages',
      'avatar',
      'tinymce',
      'south',
      'tracking',
      ......
    ]
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'HOST': '127.0.0.1',
          'NAME': 'xxxxxx',
          'USER': 'xxxxxx',
          'PASSWORD': 'xxxxxx',
          },
      }
  </code></pre>
  
  <p>So what was the problem and what need to be done to fix this ?</p>
  
  <p>I have even tried with the below setting and receiving the same error when running the django local server </p>
  
  <pre><code>SOUTH_DATABASE_ADAPTERS = {
      'default': "south.db. postgresql_psycopg2"
  }
  </code></pre>