diff --git a/alkatorapi/models.py b/alkatorapi/models.py
index 9128cd4..733081d 100644
--- a/alkatorapi/models.py
+++ b/alkatorapi/models.py
@@ -3,28 +3,35 @@ from django.contrib import admin
 from django.contrib.auth.models import User as DjangoUser
 from django.core.exceptions import ValidationError
 
+from datetime import datetime
+
+
 ALKATOR_CHOICES = (
     (1, "Alkátor"),
     (2, "Alkátor light"),
     (3, "Nealkátor"),
 )
 
+
 ALKATOR_CLASSES = (
     (1, "Jaro 2024 Sobkovice"),
     (2, "Podzim 2024 Studené"),
     (3, "Jaro 2025 Dolní Čermná")
 )
 
+
 ALKATOR_CHOICES_DICT = {
     alkator_choice[0]: alkator_choice[1]
     for alkator_choice in ALKATOR_CHOICES
 }
 
+
 ALKATOR_CLASSES_DICT = {
     alkator_class[0]: alkator_class[1]
     for alkator_class in ALKATOR_CLASSES
 }
 
+
 class User(models.Model):
     first_name = models.CharField(max_length=120)
     last_name = models.CharField(max_length=120)