fix: remove unneccesary whitespace

margin_app/app/models/liquidation.py

@@ -1,15 +1,11 @@
 import uuid
 from datetime import datetime
 from decimal import Decimal
-
 from sqlalchemy import DateTime, String, ForeignKey
 from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.orm import Mapped, mapped_column
-
 from app.models.base import BaseModel
-
 class Liquidation(BaseModel):
-
     """
     Liquidation Model
     
@@ -19,7 +15,6 @@ class Liquidation(BaseModel):
         bonus_token (str): The token in which the bonus is given.
         created_at (datetime): Timestamp indicating when the liquidation was created.
     """
-
     margin_position_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("margin_position.id"), nullable=False)
     bonus_amount: Mapped[Decimal] = mapped_column(nullable=False)
     bonus_token: Mapped[str] = mapped_column(String, nullable=False)