labels fix

storage/models.py

@@ -123,10 +123,12 @@ class ItemImage(models.Model):
 
 class Label(models.Model):
     id = models.CharField(max_length=64, primary_key=True)
-    item = models.ForeignKey(Item, related_name='labels')
-    style = models.CharField(max_length=32, choices=(
-        ('basic_99012_v1', 'Basic Zebra label'),
-        ), default='basic_99012_v1')
+    item = models.ForeignKey(Item, related_name="labels", on_delete=models.CASCADE)
+    style = models.CharField(
+        max_length=32,
+        choices=(("basic_99012_v1", "Basic Dymo 89x36mm label"),),
+        default="basic_99012_v1",
+    )
     created = models.DateTimeField(auto_now_add=True, blank=True)
 
     def __str__(self):
@@ -134,4 +136,4 @@ class Label(models.Model):
 
     def print(self):
         resp = requests.post("{}/api/1/print/{}".format(settings.LABEL_API, self.id))
-        resp.raise_for_status()
+        resp.raise_for_status()