Unmask test failures related to main.py
Unmask test failures related to main.py

For whatever reason, failures in gratipay/main.py trigger a reimport of
gratipay/main.py, which trigger the warnings against double-patching
Aspen, masking the real failure. Let's delay the Aspen patching to
unmask these errors.

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