Update app.py

app.py

@@ -1,8 +1,10 @@
 import os
 import sys
 
-# Add the current working directory to Python's module search path
-sys.path.append(os.path.dirname(os.path.abspath(__file__)))
+# Add the project directory to the Python path
+current_dir = os.path.dirname(os.path.abspath(__file__))
+if current_dir not in sys.path:
+    sys.path.append(current_dir)
 
 from routes.auth import login, sign_up
 from routes.menu import load_menu