diff --git a/src/sentry/sentry_apps/api/endpoints/sentry_app_stats_details.py b/src/sentry/sentry_apps/api/endpoints/sentry_app_stats_details.py
index 34dc8f7fb9ce7d..269cd5a4e74671 100644
--- a/src/sentry/sentry_apps/api/endpoints/sentry_app_stats_details.py
+++ b/src/sentry/sentry_apps/api/endpoints/sentry_app_stats_details.py
@@ -34,18 +34,20 @@ def get(self, request: Request, sentry_app) -> Response:
             sentry_app_id=sentry_app.id, date_deleted__isnull=False
         ).count()
 
-        rollup, series = tsdb.get_optimal_rollup_series(query_args["start"], query_args["end"])
+        rollup, series = tsdb.backend.get_optimal_rollup_series(
+            query_args["start"], query_args["end"]
+        )
 
         install_stats = dict.fromkeys(series, 0)
         uninstall_stats = dict.fromkeys(series, 0)
 
         for date_added, date_deleted, organization_id in installations:
-            install_norm_epoch = tsdb.normalize_to_epoch(date_added, rollup)
+            install_norm_epoch = tsdb.backend.normalize_to_epoch(date_added, rollup)
             if install_norm_epoch in install_stats:
                 install_stats[install_norm_epoch] += 1
 
             if date_deleted is not None:
-                uninstall_norm_epoch = tsdb.normalize_to_epoch(date_deleted, rollup)
+                uninstall_norm_epoch = tsdb.backend.normalize_to_epoch(date_deleted, rollup)
                 if uninstall_norm_epoch in uninstall_stats:
                     uninstall_stats[uninstall_norm_epoch] += 1
 
diff --git a/src/sentry/sentry_apps/api/endpoints/sentry_internal_app_tokens.py b/src/sentry/sentry_apps/api/endpoints/sentry_internal_app_tokens.py
index 0999cf93d6cc35..525809d539b8c4 100644
--- a/src/sentry/sentry_apps/api/endpoints/sentry_internal_app_tokens.py
+++ b/src/sentry/sentry_apps/api/endpoints/sentry_internal_app_tokens.py
@@ -12,10 +12,12 @@
 )
 from sentry.api.serializers.models.apitoken import ApiTokenSerializer
 from sentry.exceptions import ApiTokenLimitError
+from sentry.interfaces.user import User
 from sentry.models.apitoken import ApiToken
 from sentry.sentry_apps.installations import SentryAppInstallationTokenCreator
 from sentry.sentry_apps.models.sentry_app import MASKED_VALUE
 from sentry.sentry_apps.models.sentry_app_installation import SentryAppInstallation
+from sentry.users.services.user.model import RpcUser
 
 
 @control_silo_endpoint
@@ -61,6 +63,9 @@ def post(self, request: Request, sentry_app) -> Response:
             )
         sentry_app_installation = SentryAppInstallation.objects.get(sentry_app_id=sentry_app.id)
         try:
+            assert isinstance(request.user, User) or isinstance(
+                request.user, RpcUser
+            ), "User must be authenticated to install a sentry app"
             api_token = SentryAppInstallationTokenCreator(
                 sentry_app_installation=sentry_app_installation
             ).run(request=request, user=request.user)