fix activate spaces

app.py

@@ -107,7 +107,9 @@ def get_spaces(username: str):
         studios = []
         for space in spaces:
             if space["author"] == username:
-                studios.append(f"https://{space['id'].replace('/', '-')}.hf.space")
+                studios.append(
+                    f"https://{space['id'].replace('/', '-').replace('_', '-')}.hf.space"
+                )
 
         return studios