Expect stripe_token to be there
Expect stripe_token to be there

If stripe_token wasn't there it was going to blow
up on an undefined error for the `data` variable.
This way the code is simpler.
grue/django-stripe-payments,adi-li/django-stripe-payments,ZeevG/django-stripe-payments,jawed123/django-stripe-payments,wahuneke/django-stripe-payments,aibon/django-stripe-payments,boxysean/django-stripe-payments,ZeevG/django-stripe-payments,pinax/django-stripe-payments,crehana/django-stripe-payments,wahuneke/django-stripe-payments,boxysean/django-stripe-payments,adi-li/django-stripe-payments,alexhayes/django-stripe-payments,jawed123/django-stripe-payments,alexhayes/django-stripe-payments,grue/django-stripe-payments,jamespacileo/django-stripe-payments,wahuneke/django-stripe-payments,jamespacileo/django-stripe-payments,aibon/django-stripe-payments,crehana/django-stripe-payments