diff --git a/apps/livestock/models.py b/apps/livestock/models.py
index 310eccd..5020b9a 100644
--- a/apps/livestock/models.py
+++ b/apps/livestock/models.py
@@ -95,7 +95,7 @@ class LiveStock(BaseModel):
     archive = models.BooleanField(default=False)
 
     def __str__(self):
-        return f'{self.type.name if self.type else ''}-{self.species.name if self.species else ''}'
+        return f"{self.type.name if self.type else ''}-{self.species.name if self.species else ''}"
 
     def save(self, *args, **kwargs):
         return super(LiveStock, self).save(*args, **kwargs)
diff --git a/apps/tag/models.py b/apps/tag/models.py
index 8440739..a0513bc 100644
--- a/apps/tag/models.py
+++ b/apps/tag/models.py
@@ -51,6 +51,12 @@ class Tag(BaseModel):
         super(Tag, self).save(*args, **kwargs)
 
 
+# class TagBatch(BaseModel):
+#     organization = models.ForeignKey(
+# 
+#     )
+
+
 class TagAssignment(BaseModel):
     organization = models.ForeignKey(
         auth_models.Organization,