Update app.py

app.py

@@ -75,8 +75,7 @@ SECTOR_COLORS = {
     "Finance": "#9b59b6"
 }
 
-# Cache management
-CACHE_DIR = os.path.join(os.path.dirname(__file__), "data_cache")
+CACHE_DIR = os.path.join("/tmp", "data_cache")
 os.makedirs(CACHE_DIR, exist_ok=True)
 
 # Cache functions