Run black on py

ram/roster/models.py

@@ -2,6 +2,7 @@ import os
 from uuid import uuid4
 from django.db import models
 from django.urls import reverse
+
 # from django.core.files.storage import FileSystemStorage
 # from django.dispatch import receiver
 
@@ -32,8 +33,11 @@ class RollingClass(models.Model):
     )
     description = models.CharField(max_length=256, blank=True)
     manufacturer = models.ForeignKey(
-        Manufacturer, on_delete=models.CASCADE, null=True, blank=True,
-        limit_choices_to={"category": "real"}
+        Manufacturer,
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        limit_choices_to={"category": "real"},
     )
 
     class Meta:
@@ -74,8 +78,11 @@ class RollingStock(models.Model):
     )
     road_number = models.CharField(max_length=128, unique=False)
     manufacturer = models.ForeignKey(
-        Manufacturer, on_delete=models.CASCADE, null=True, blank=True,
-        limit_choices_to={"category": "model"}
+        Manufacturer,
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        limit_choices_to={"category": "model"},
     )
     scale = models.ForeignKey(Scale, on_delete=models.CASCADE)
     sku = models.CharField(max_length=32, blank=True)
@@ -112,9 +119,7 @@ class RollingStock(models.Model):
 
 class RollingStockDocument(models.Model):
     rolling_stock = models.ForeignKey(
-        RollingStock,
-        on_delete=models.CASCADE,
-        related_name="document"
+        RollingStock, on_delete=models.CASCADE, related_name="document"
     )
     description = models.CharField(max_length=128, blank=True)
     file = models.FileField(upload_to="files/", null=True, blank=True)
@@ -131,9 +136,7 @@ class RollingStockDocument(models.Model):
 
 class RollingStockImage(models.Model):
     rolling_stock = models.ForeignKey(
-        RollingStock,
-        on_delete=models.CASCADE,
-        related_name="image"
+        RollingStock, on_delete=models.CASCADE, related_name="image"
     )
     image = models.ImageField(upload_to="images/", null=True, blank=True)
     is_thumbnail = models.BooleanField()
@@ -149,7 +152,8 @@ class RollingStockImage(models.Model):
     def save(self, **kwargs):
         if self.is_thumbnail:
             RollingStockImage.objects.filter(
-                rolling_stock=self.rolling_stock).update(is_thumbnail=False)
+                rolling_stock=self.rolling_stock
+            ).update(is_thumbnail=False)
         super().save(**kwargs)
 
 
@@ -159,7 +163,7 @@ class RollingStockProperty(models.Model):
         on_delete=models.CASCADE,
         related_name="property",
         null=False,
-        blank=False
+        blank=False,
     )
     property = models.ForeignKey(Property, on_delete=models.CASCADE)
     value = models.CharField(max_length=256)