Attempt to fix pytest

bottles/backend/globals.py

@@ -20,7 +20,7 @@
 from functools import lru_cache
 from pathlib import Path
 from typing import Dict
-from bottles.backend.utils import json
+from bottles.backend.utils import yaml, json
 
 @lru_cache
 class Paths:
@@ -79,7 +79,9 @@ class TrdyPaths:
 mangohud_available = shutil.which("mangohud") or False
 obs_vkc_available = shutil.which("obs-vkcapture") or False
 vmtouch_available = shutil.which("vmtouch") or False
-base_version = json.load(open("/app/manifest.json")).get("base-version","").removeprefix("stable-")
+base_version = ""
+if os.path.exists("/app/manifest.json"):
+    base_version = json.load(open("/app/manifest.json")).get("base-version","").removeprefix("stable-")
 
 # encoding detection correction, following windows defaults
 locale_encodings: Dict[str, str] = {