old_contents: # BULKSMS Config.
  CONFIG = {
      'BULK_SMS': {
          'AUTH': {
              'USERNAME': '',
              'PASSWORD': ''
          },
          'URL': {
              'SENDING': {
                  {
                      'BATCH': 'https://bulksms.2way.co.za/eapi/submission/send_batch/1/1.0'
                  },
                  {
                      'SINGLE': 'https://bulksms.2way.co.za/eapi/submission/send_sms/2/2.0'
                  }
              },
              'CREDITS': {
                  'CREDITS': 'https://bulksms.2way.co.za/user/get_credits/1/1.1'
              }
          }
      },
      'CLEAN_MOBILE_NUMBERS': False
  }
  
new_contents: # BULKSMS Configuration.
  
  # Credentials required to use bulk sms api.
  AUTH = {
      'username': '',
      'password': ''
  }
  # URL for sending single and batch sms.
  URL_SENDING = {
      'batch': 'https://bulksms.2way.co.za/eapi/submission/send_batch/1/1.0',
      'single': 'https://bulksms.2way.co.za/eapi/submission/send_sms/2/2.0'
  }
  
  # URL for fetching credits related data.
  URL_STATS = {
      'credits': 'https://bulksms.2way.co.za/user/get_credits/1/1.1'
  }
  
  # Whether to automatically insert country
  # codes before sending sms.
  CLEAN_MOBILE_NUMBERS = False
  
subject: Refactor config file. Nested dictionary was a bad idea.