Modification des déclarations d'import. Mention de "app".

app/label_system.py

 from typing import Dict, List
 import json
 from flask import Blueprint
-from getter import get_selected_elements, get_discriminating_labels, get_high_discriminating_labels
+from app.getter import get_selected_elements, get_discriminating_labels, get_high_discriminating_labels
 
 sort = Blueprint('sort', __name__)