code: def test_sa_relationship_no_kwargs() -> None:
      with pytest.raises(RuntimeError):  # pragma: no cover
  
          class Team(SQLModel, table=True):
              id: Optional[int] = Field(default=None, primary_key=True)
              name: str = Field(index=True)
              headquarters: str
  
              heroes: List["Hero"] = Relationship(
                  back_populates="team",
                  sa_relationship_kwargs={"lazy": "selectin"},
                  sa_relationship=relationship(
                      "Hero", back_populates="team"
                  ),
              )
  
          class Hero(SQLModel, table=True):
              id: Optional[int] = Field(default=None, primary_key=True)
              name: str = Field(index=True)
              secret_name: str
              age: Optional[int] = Field(default=None, index=True)
  
              team_id: Optional[int] = Field(
                  default=None, foreign_key="team.id"
              )
              team: Optional[Team] = Relationship(
                  back_populates="heroes"
              )
  
imports: from typing import List, Optional
  import pytest
  from sqlalchemy.orm import relationship
  from sqlmodel import Field, Relationship, SQLModel
label_desc: Use image node_id 2 for calling a global function with example usage: test_sa_relationship_no_kwargs() without return types