Update app.py

app.py

@@ -14,6 +14,7 @@ The code within this section will be used in the tasks. Please do not change the
 ### SciQ loading and counting
 """
 
+from __future__ import annotations
 from dataclasses import dataclass
 import pickle
 import os
@@ -153,7 +154,6 @@ counting = run_counting(documents=iter(sciq.corpus), ndocs=len(sciq.corpus))
 
 """### BM25 Index"""
 
-from __future__ import annotations
 from dataclasses import asdict, dataclass
 import math
 import os