UPD: improved tests.

dav_auth/views.py

@@ -2,8 +2,9 @@ import logging
 from django.apps import apps
 from django.contrib import messages
 from django.contrib.auth import views as auth_views, get_user_model
+from django.http import HttpResponseRedirect
 from django.shortcuts import resolve_url
-from django.urls import reverse_lazy
+from django.urls import reverse_lazy, reverse
 from django.utils.translation import ugettext as _
 from django.views import generic
 
@@ -80,3 +81,8 @@ class ResetPasswordView(generic.FormView):
             logger.warning('Password reset for unknown user \'%s\'', username)
 
         return super(ResetPasswordView, self).form_valid(form)
+
+    def get(self, request, *args, **kwargs):
+        if request.user.is_authenticated:
+            return HttpResponseRedirect(reverse('dav_auth:set_password'))
+        return super(ResetPasswordView, self).get(request, *args, **kwargs)