steps to reproduce: Try setting up your preapproval observed behavior: File "django/core/handlers/base.py", line 111, in get_response response = callback(request, *callback_args, **callback_kwargs) File "amo/decorators.py", line 29, in wrapper return func(request, *args, **kw) File "amo/decorators.py", line 156, in wrapper return f(*args, **kw) File "amo/decorators.py", line 148, in wrapper return f(*args, **kw) File "amo/decorators.py", line 29, in wrapper return func(request, *args, **kw) File "mkt/account/views.py", line 160, in preapproval args=['cancel'])), File "lib/pay_server/base.py", line 145, in wrapped return self.call(url, method, data=data) File "lib/pay_server/base.py", line 123, in call code=code) http://sentry.dmz.phx1.mozilla.com/marketplace-dev/group/1697/

We were setting up the proxy.