crappy

models/deal.py

@@ -4,7 +4,6 @@ from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Boolean
 from sqlalchemy.orm import relationship
 
 from models.base import BaseModel
-from models.secondary import deal_services
 
 
 @unique
@@ -33,7 +32,7 @@ class Deal(BaseModel):
     is_deleted = Column(Boolean, nullable=False, server_default='0', default=False, comment='Удалена')
     is_completed = Column(Boolean, nullable=False, server_default='0', default=False, comment='Завершена')
 
-    services = relationship('Service', secondary=deal_services)
+    services = relationship('DealService', back_populates='deal')
 
 
 class DealStatusHistory(BaseModel):