Update app.py

app.py

@@ -1,6 +1,6 @@
 import sys
 import subprocess
-from typing import List, Dict, Optional, Union
+from typing import List, Dict, Optional, Union, Tuple
 from functools import lru_cache
 from dataclasses import dataclass, field
 from enum import Enum, auto
@@ -41,8 +41,8 @@ class File:
 class AppInfo:
     name: str
     description: str
-    features: List[str]
-    dependencies: List[str]
+    features: Tuple[str, ...]
+    dependencies: Tuple[str, ...]
     space: Optional[Space] = None
     tutorial: Optional[Tutorial] = None
 
@@ -250,8 +250,8 @@ if __name__ == "__main__":
     app_info = AppInfo(
         name="My Cool App",
         description="A simple web application",
-        features=["Feature 1", "Feature 2", "Feature 3"],
-        dependencies=["Python", "JavaScript"],
+        features=("Feature 1", "Feature 2", "Feature 3"),
+        dependencies=("Python", "JavaScript"),
     )
     
     # Create and run a WebApp