stages/user_logout: fix dependency on PENDING_USER

passbook/stages/user_logout/stage.py

@@ -3,7 +3,6 @@ from django.contrib.auth import logout
 from django.http import HttpRequest, HttpResponse
 from structlog import get_logger
 
-from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER
 from passbook.flows.stage import AuthenticationStage
 
 LOGGER = get_logger()
@@ -13,10 +12,10 @@ class UserLogoutStageView(AuthenticationStage):
     """Finalise Authentication flow by logging the user in"""
 
     def get(self, request: HttpRequest) -> HttpResponse:
-        logout(self.request)
         LOGGER.debug(
             "Logged out",
-            user=self.executor.plan.context[PLAN_CONTEXT_PENDING_USER],
+            user=request.user,
             flow_slug=self.executor.flow.slug,
         )
+        logout(self.request)
         return self.executor.stage_ok()