Changed structure of referencing data

ref-test/app/tools/data.py

@@ -1,13 +1,16 @@
-from ..data import data as data_dir
+from flask import current_app as app
 
 import json
+from pathlib import Path
 from random import shuffle
 
 def load(filename:str):
+    data_dir = Path(app.config.get('DATA'))
     with open(f'./{data_dir}/{filename}') as file:
         return json.load(file)
 
 def save(data:dict, filename:str):
+    data_dir = Path(app.config.get('DATA'))
     with open(f'./{data_dir}/{filename}', 'w') as file:
         json.dump(data, file, indent=4)