Fix condition in extract_spt
Fix condition in extract_spt

We're not using the jinja2 renderer anymore. Let's look at content type,
and assume that these content types map to Jinja2.

gratipay/gratipay.com,eXcomm/gratipay.com,eXcomm/gratipay.com,gratipay/gratipay.com,mccolgst/www.gittip.com,studio666/gratipay.com,mccolgst/www.gittip.com,gratipay/gratipay.com,studio666/gratipay.com,studio666/gratipay.com,gratipay/gratipay.com,eXcomm/gratipay.com,mccolgst/www.gittip.com,mccolgst/www.gittip.com,studio666/gratipay.com,eXcomm/gratipay.com