[FIX] error when no counters

tools/prepare_repartition_data.py

@@ -113,13 +113,13 @@ def get_partners_data_prorata(
     del_counter_ids = {}
 
     for partner_id in dbPartners.ids:
-        acc_counter_ids = del_partners_node[partner_id]["acc_counter_ids"]
+        acc_counter_ids = del_partners_node[partner_id].get("acc_counter_ids", [])
         for counter_id in acc_counter_ids:
             del_counter_ids[counter_id] = acc_counter_ids[counter_id]
 
     if 0 in del_partners_node:
         del_partners_dict[0] = "Pas de participant lié".upper()
-        acc_counter_ids = del_partners_node[0]["acc_counter_ids"]
+        acc_counter_ids = del_partners_node[0].get("acc_counter_ids", [])
         for counter_id in acc_counter_ids:
             del_counter_ids[counter_id] = acc_counter_ids[counter_id]