Add mossttsrealtime model

app.py

@@ -26,6 +26,20 @@ from mossttsrealtime.streaming_mossttsrealtime import (
 
 torch._dynamo.config.cache_size_limit = 64
 
+try:
+    import spaces
+except ImportError:
+    class _SpacesFallback:
+        @staticmethod
+        def GPU(*_args, **_kwargs):
+            def _decorator(func):
+                return func
+
+            return _decorator
+
+    spaces = _SpacesFallback()
+
+
 APP_DIR = Path(__file__).resolve().parent
 AUDIO_DIR = APP_DIR / "asset"
 LOG_DIR = APP_DIR / "logs"