Update main.py

Fix: object has no attribute '_sa_instance_state' by changing result type of class EndpointResponse(SQLModel) from ResultItem to Any

main.py

@@ -24,8 +24,6 @@ from sqlmodel import SQLModel, select
 from sqlmodel.sql.expression import SelectOfScalar
 from sqlmodel.ext.asyncio.session import AsyncSession
 
-from pydantic import BaseModel
-
 from sqlalchemy.ext.asyncio import create_async_engine
 from sqlalchemy import Engine
 
@@ -126,14 +124,14 @@ Result = Union[OneResult, BulkResult]
 ResultItem = Union[OneResultItem, BulkResultItem]
 
 
-class EndpointResponse(BaseModel):
+class EndpointResponse(SQLModel):
     execution_msg: str
     execution_code: int
-    result: ResultItem
-    # result: Any
+    # result: ResultItem
+    result: Any
 
 
-class ErrorResponse(BaseModel):
+class ErrorResponse(SQLModel):
     execution_msg: str
     execution_code: int
     error: Optional[str]