diff --git a/timer/consumers.py b/timer/consumers.py
index a3333388db9990723a95644a73a98c7e6577f957..3eef521cbed50aac1850577269c1addeba37d93f 100644
--- a/timer/consumers.py
+++ b/timer/consumers.py
@@ -152,8 +152,12 @@ class TimerConsumer(AsyncWebsocketConsumer):
         if "time" in json_data:
             # Don't save here in case there is a tick thread running
 
-            self.timer.minutes = self.timer.initial_minutes = json_data["time"]["minutes"]
-            self.timer.seconds = self.timer.initial_seconds = json_data["time"]["seconds"]
+            self.timer.minutes = self.timer.initial_minutes = json_data["time"][
+                "minutes"
+            ]
+            self.timer.seconds = self.timer.initial_seconds = json_data["time"][
+                "seconds"
+            ]
 
             reset_timer = True
 
@@ -165,7 +169,9 @@ class TimerConsumer(AsyncWebsocketConsumer):
 
             reset_timer = True
 
-        if reset_timer or (self.timer.id not in running_timer_threads and self.timer.is_running):
+        if reset_timer or (
+            self.timer.id not in running_timer_threads and self.timer.is_running
+        ):
             await self.run_timer()
 
         response.update(
diff --git a/timer/migrations/0004_ongoingtimer_is_running_ongoingtimer_iteration.py b/timer/migrations/0004_ongoingtimer_is_running_ongoingtimer_iteration.py
index 12bb46d5596184a7a96563ebbcf035309f40b65c..ad0f3401236e0295162831d1e70eac435c8c1e09 100644
--- a/timer/migrations/0004_ongoingtimer_is_running_ongoingtimer_iteration.py
+++ b/timer/migrations/0004_ongoingtimer_is_running_ongoingtimer_iteration.py
@@ -4,20 +4,19 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('timer', '0003_remove_ongoingtimer_hours'),
+        ("timer", "0003_remove_ongoingtimer_hours"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='ongoingtimer',
-            name='is_running',
-            field=models.BooleanField(default=False, verbose_name='Aktuálně běží'),
+            model_name="ongoingtimer",
+            name="is_running",
+            field=models.BooleanField(default=False, verbose_name="Aktuálně běží"),
         ),
         migrations.AddField(
-            model_name='ongoingtimer',
-            name='iteration',
-            field=models.IntegerField(default=0, verbose_name='Iterace'),
+            model_name="ongoingtimer",
+            name="iteration",
+            field=models.IntegerField(default=0, verbose_name="Iterace"),
         ),
     ]
diff --git a/timer/migrations/0005_ongoingtimer_initial_minutes_and_more.py b/timer/migrations/0005_ongoingtimer_initial_minutes_and_more.py
index 6e9bc3fb861858cb5af1eaad1b3e6d9975040a0d..680f363fc912617040264bfd2a5d19a2945b7461 100644
--- a/timer/migrations/0005_ongoingtimer_initial_minutes_and_more.py
+++ b/timer/migrations/0005_ongoingtimer_initial_minutes_and_more.py
@@ -5,27 +5,46 @@ from django.db import migrations, models
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('timer', '0004_ongoingtimer_is_running_ongoingtimer_iteration'),
+        ("timer", "0004_ongoingtimer_is_running_ongoingtimer_iteration"),
     ]
 
     operations = [
         migrations.AddField(
-            model_name='ongoingtimer',
-            name='initial_minutes',
-            field=models.IntegerField(default=0, validators=[django.core.validators.MinValueValidator(limit_value=0), django.core.validators.MaxValueValidator(limit_value=60)], verbose_name='PĹŻvodnĂ­ Minuty'),
+            model_name="ongoingtimer",
+            name="initial_minutes",
+            field=models.IntegerField(
+                default=0,
+                validators=[
+                    django.core.validators.MinValueValidator(limit_value=0),
+                    django.core.validators.MaxValueValidator(limit_value=60),
+                ],
+                verbose_name="PĹŻvodnĂ­ Minuty",
+            ),
             preserve_default=False,
         ),
         migrations.AddField(
-            model_name='ongoingtimer',
-            name='initial_seconds',
-            field=models.IntegerField(default=0, validators=[django.core.validators.MinValueValidator(limit_value=0), django.core.validators.MaxValueValidator(limit_value=60)], verbose_name='PĹŻvodnĂ­ sekundy'),
+            model_name="ongoingtimer",
+            name="initial_seconds",
+            field=models.IntegerField(
+                default=0,
+                validators=[
+                    django.core.validators.MinValueValidator(limit_value=0),
+                    django.core.validators.MaxValueValidator(limit_value=60),
+                ],
+                verbose_name="PĹŻvodnĂ­ sekundy",
+            ),
             preserve_default=False,
         ),
         migrations.AlterField(
-            model_name='ongoingtimer',
-            name='seconds',
-            field=models.IntegerField(validators=[django.core.validators.MinValueValidator(limit_value=0), django.core.validators.MaxValueValidator(limit_value=60)], verbose_name='Sekundy'),
+            model_name="ongoingtimer",
+            name="seconds",
+            field=models.IntegerField(
+                validators=[
+                    django.core.validators.MinValueValidator(limit_value=0),
+                    django.core.validators.MaxValueValidator(limit_value=60),
+                ],
+                verbose_name="Sekundy",
+            ),
         ),
     ]