Fix lint errors

src/registrar/admin.py

@@ -2655,6 +2655,7 @@ class WaffleFlagAdmin(FlagAdmin):
         model = models.WaffleFlag
         fields = "__all__"
 
+
 class DomainGroupResource(resources.ModelResource):
     """defines how each field in the referenced model should be mapped to the corresponding fields in the
     import/export file"""
@@ -2662,10 +2663,12 @@ class DomainGroupResource(resources.ModelResource):
     class Meta:
         model = models.DomainGroup
 
+
 class DomainGroupAdmin(ListHeaderAdmin, ImportExportModelAdmin):
     resource_classes = [DomainGroupResource]
     list_display = ["name", "portfolio"]
 
+
 class SuborganizationResource(resources.ModelResource):
     """defines how each field in the referenced model should be mapped to the corresponding fields in the
     import/export file"""
@@ -2673,10 +2676,12 @@ class SuborganizationResource(resources.ModelResource):
     class Meta:
         model = models.Suborganization
 
+
 class SuborganizationAdmin(ListHeaderAdmin, ImportExportModelAdmin):
     resource_classes = [SuborganizationResource]
     list_display = ["name", "portfolio"]
 
+
 admin.site.unregister(LogEntry)  # Unregister the default registration
 
 admin.site.register(LogEntry, CustomLogEntryAdmin)

src/registrar/models/__init__.py

@@ -41,7 +41,7 @@ __all__ = [
     "WaffleFlag",
     "Portfolio",
     "DomainGroup",
-    "Suborganization"
+    "Suborganization",
 ]
 
 auditlog.register(Contact)

src/registrar/models/domain_group.py

@@ -19,15 +19,9 @@ class DomainGroup(TimeStampedModel):
         help_text="Domain group",
     )
 
-    portfolio = models.ForeignKey(
-        "registrar.Portfolio",
-        on_delete=models.PROTECT
-    )
+    portfolio = models.ForeignKey("registrar.Portfolio", on_delete=models.PROTECT)
 
-    domains = models.ManyToManyField(
-        "registrar.DomainInformation",
-        blank=True
-    )
+    domains = models.ManyToManyField("registrar.DomainInformation", blank=True)
 
     def __str__(self) -> str:
         return f"{self.name}"

src/registrar/models/suborganization.py

@@ -7,6 +7,7 @@ class Suborganization(TimeStampedModel):
     """
     Suborganization under an organization (portfolio)
     """
+
     name = models.CharField(
         null=True,
         blank=True,