diff --git a/src/accounting/report/period_choosers.py b/src/accounting/report/period_choosers.py
index f9bf8e2..561b117 100644
--- a/src/accounting/report/period_choosers.py
+++ b/src/accounting/report/period_choosers.py
@@ -109,8 +109,7 @@ class JournalPeriodChooser(PeriodChooser):
         """Constructs the journal period chooser."""
         first: Transaction | None \
             = Transaction.query.order_by(Transaction.date).first()
-        super(JournalPeriodChooser, self).__init__(
-            None if first is None else first.date)
+        super().__init__(None if first is None else first.date)
 
     def _url_for(self, period: Period) -> str:
         if period.is_default:
@@ -129,8 +128,7 @@ class LedgerPeriodChooser(PeriodChooser):
         """The account."""
         first: Transaction | None \
             = Transaction.query.order_by(Transaction.date).first()
-        super(LedgerPeriodChooser, self).__init__(
-            None if first is None else first.date)
+        super().__init__(None if first is None else first.date)
 
     def _url_for(self, period: Period) -> str:
         if period.is_default:
@@ -152,8 +150,7 @@ class IncomeExpensesPeriodChooser(PeriodChooser):
         """The account."""
         first: Transaction | None \
             = Transaction.query.order_by(Transaction.date).first()
-        super(IncomeExpensesPeriodChooser, self).__init__(
-            None if first is None else first.date)
+        super().__init__(None if first is None else first.date)
 
     def _url_for(self, period: Period) -> str:
         if period.is_default: