Obfuscate sensitive variables that are included in crash reports.

Signed-off-by: Birin Sanchez <birin.sanchez@puri.sm>

cart/views.py

 from django.conf import settings
 from django.contrib.auth import logout
 from django.urls import reverse
+from django.utils.decorators import method_decorator
+from django.views.decorators.debug import sensitive_post_parameters
 from registration.backends.simple.views import RegistrationView
 from cart.models import ChosenReward
 from purist.models import AccountType
@@ -87,3 +89,7 @@ class CartRegistrationView(RegistrationView):
         user.save()
         reward.save()
         return user
+
+    @method_decorator(sensitive_post_parameters('password1', 'password2'))
+    def dispatch(self, *args, **kwargs):
+        return super().dispatch(*args, **kwargs)