fix sell item #2

app/api/marketplace.py

@@ -30,7 +30,7 @@ async def sell_item(
     amount: int = Body(...),
     price: int = Body(...),
     server_ip: str = Body(...),
-    description: Optional[str] = None,
+    description: Optional[str] = Body(None),
 ):
     """Выставить предмет на продажу"""
     from app.services.marketplace import MarketplaceService