diff --git a/assets/src/ba_data/python/_ba.py b/assets/src/ba_data/python/_ba.py
index dbdae18c..8ad46bfd 100644
--- a/assets/src/ba_data/python/_ba.py
+++ b/assets/src/ba_data/python/_ba.py
@@ -34,7 +34,7 @@ NOTE: This file was autogenerated by gendummymodule; do not edit by hand.
 """
 
 # (hash we can use to see if this file is out of date)
-# SOURCES_HASH=19018950468850503638731149460882909299
+# SOURCES_HASH=13501269283550798144571003636886602232
 
 # I'm sorry Pylint. I know this file saddens you. Be strong.
 # pylint: disable=useless-suppression
@@ -1998,7 +1998,7 @@ def get_display_resolution() -> Tuple[int, int]:
     return (0, 0)
 
 
-def get_foreground_host_activity() -> ba.Activity:
+def get_foreground_host_activity() -> Optional[ba.Activity]:
     """get_foreground_host_activity() -> Optional[ba.Activity]
 
     (internal)
@@ -2010,7 +2010,7 @@ def get_foreground_host_activity() -> ba.Activity:
     return ba.Activity({})
 
 
-def get_foreground_host_session() -> ba.Session:
+def get_foreground_host_session() -> Optional[ba.Session]:
     """get_foreground_host_session() -> Optional[ba.Session]
 
     (internal)
diff --git a/assets/src/ba_data/python/ba/_apputils.py b/assets/src/ba_data/python/ba/_apputils.py
index 2b974b87..c7a7bd73 100644
--- a/assets/src/ba_data/python/ba/_apputils.py
+++ b/assets/src/ba_data/python/ba/_apputils.py
@@ -321,8 +321,9 @@ def call_after_ad(call: Callable[[], Any]) -> None:
     if have_pro():
         show = False  # Pro disables interstitials.
     try:
-        is_tournament = (_ba.get_foreground_host_session().tournament_id is
-                         not None)
+        session = _ba.get_foreground_host_session()
+        assert session is not None
+        is_tournament = session.tournament_id is not None
     except Exception:
         is_tournament = False
     if is_tournament:
diff --git a/assets/src/ba_data/python/ba/_benchmark.py b/assets/src/ba_data/python/ba/_benchmark.py
index 0a0c915e..c5a5aa08 100644
--- a/assets/src/ba_data/python/ba/_benchmark.py
+++ b/assets/src/ba_data/python/ba/_benchmark.py
@@ -147,7 +147,9 @@ def _reset_stress_test(args: Dict[str, Any]) -> None:
     from ba._enums import TimeType
     _ba.set_stress_testing(False, args['player_count'])
     _ba.screenmessage('Resetting stress test...')
-    _ba.get_foreground_host_session().end()
+    session = _ba.get_foreground_host_session()
+    assert session is not None
+    session.end()
     _ba.timer(1.0, Call(start_stress_test, args), timetype=TimeType.REAL)