Fix related_name references

Author: rennerocha

thebook/bookkeeping/models.py

@@ -60,7 +60,7 @@ def _valid_year_and_month(month, year):
         if not _valid_year_and_month(month, year):
             raise ValueError("Invalid 'month' and 'year' arguments")
 
-        transactions = self.transaction_set.all()
+        transactions = self.transactions.all()
 
         overall_balance = (
             transactions.aggregate(overall_balance=Sum("amount")).get("overall_balance")

thebook/bookkeeping/views.py

@@ -79,7 +79,7 @@ def _get_bank_account_transactions_context(bank_account, *, year=None, month=Non
     if month is not None:
         month = int(month)
 
-    transactions = bank_account.transaction_set.select_related(
+    transactions = bank_account.transactions.select_related(
         "category"
     ).prefetch_related("documents")
     if year: