diff --git a/src/backend/langflow/services/database/models/variable/model.py b/src/backend/langflow/services/database/models/variable/model.py
index 3b9e6b2eb..5ad2af23b 100644
--- a/src/backend/langflow/services/database/models/variable/model.py
+++ b/src/backend/langflow/services/database/models/variable/model.py
@@ -20,17 +20,26 @@ class VariableBase(SQLModel):
 
 
 class Variable(VariableBase, table=True):
-    id: Optional[UUID] = Field(default_factory=uuid4, primary_key=True, description="Unique ID for the variable")
+    id: Optional[UUID] = Field(
+        default_factory=uuid4,
+        primary_key=True,
+        description="Unique ID for the variable",
+    )
     # name is unique per user
-    created_at: datetime = Field(default_factory=utc_now, description="Creation time of the variable")
-    updated_at: Optional[datetime] = Field(None, description="Last update time of the variable")
+    created_at: datetime = Field(
+        default_factory=utc_now, description="Creation time of the variable"
+    )
+    updated_at: Optional[datetime] = Field(
+        None, description="Last update time of the variable"
+    )
     # foreign key to user table
-    user_id: UUID = Field(description="User ID associated with this variable", foreign_key="user.id")
+    user_id: UUID = Field(
+        description="User ID associated with this variable", foreign_key="user.id"
+    )
     user: "User" = Relationship(back_populates="variables")
 
 
 class VariableCreate(VariableBase):
-    # AcceptedProviders is a custom Enum
     type: Optional[str] = Field(None, description="Type of the variable")