1 files changed, 15 insertions, 13 deletions
diff --git a/tests/modeladmin/models.py b/tests/modeladmin/models.py
index c0d3c772c9..51ebca768c 100644
--- a/tests/modeladmin/models.py
+++ b/tests/modeladmin/models.py
@@ -8,7 +8,7 @@ class Band(models.Model):
     sign_date = models.DateField()
 
     class Meta:
-        ordering = ('name',)
+        ordering = ("name",)
 
     def __str__(self):
         return self.name
@@ -17,37 +17,39 @@ class Band(models.Model):
 class Song(models.Model):
     name = models.CharField(max_length=100)
     band = models.ForeignKey(Band, models.CASCADE)
-    featuring = models.ManyToManyField(Band, related_name='featured')
+    featuring = models.ManyToManyField(Band, related_name="featured")
 
     def __str__(self):
         return self.name
 
 
 class Concert(models.Model):
-    main_band = models.ForeignKey(Band, models.CASCADE, related_name='main_concerts')
-    opening_band = models.ForeignKey(Band, models.CASCADE, related_name='opening_concerts', blank=True)
-    day = models.CharField(max_length=3, choices=((1, 'Fri'), (2, 'Sat')))
-    transport = models.CharField(max_length=100, choices=(
-        (1, 'Plane'),
-        (2, 'Train'),
-        (3, 'Bus')
-    ), blank=True)
+    main_band = models.ForeignKey(Band, models.CASCADE, related_name="main_concerts")
+    opening_band = models.ForeignKey(
+        Band, models.CASCADE, related_name="opening_concerts", blank=True
+    )
+    day = models.CharField(max_length=3, choices=((1, "Fri"), (2, "Sat")))
+    transport = models.CharField(
+        max_length=100, choices=((1, "Plane"), (2, "Train"), (3, "Bus")), blank=True
+    )
 
 
 class ValidationTestModel(models.Model):
     name = models.CharField(max_length=100)
     slug = models.SlugField()
     users = models.ManyToManyField(User)
-    state = models.CharField(max_length=2, choices=(("CO", "Colorado"), ("WA", "Washington")))
+    state = models.CharField(
+        max_length=2, choices=(("CO", "Colorado"), ("WA", "Washington"))
+    )
     is_active = models.BooleanField(default=False)
     pub_date = models.DateTimeField()
     band = models.ForeignKey(Band, models.CASCADE)
-    best_friend = models.OneToOneField(User, models.CASCADE, related_name='best_friend')
+    best_friend = models.OneToOneField(User, models.CASCADE, related_name="best_friend")
     # This field is intentionally 2 characters long (#16080).
     no = models.IntegerField(verbose_name="Number", blank=True, null=True)
 
     def decade_published_in(self):
-        return self.pub_date.strftime('%Y')[:3] + "0's"
+        return self.pub_date.strftime("%Y")[:3] + "0's"
 
 
 class ValidationTestInlineModel(models.Model):