E TypeError: Direct assignment to the forward side of a many-to-many set is prohibited. Use subjects.set() instead

Question

I am writing a test to some api calls, the issue that I am getting is that I can't figure out how to assign a many-to-many variable(subjects) in Django.

models.py

class Subject(BaseModel):
    id = models.AutoField(primary_key=True)
    name = models.TextField(null=False, blank=False)
    answers = models.ManyToManyField("registration.Answer", through="AnswerSubject")


class Answer(BaseModel):
    id = models.AutoField(primary_key=True)
    text = models.TextField(null=False, blank=False)
    subjects = models.ManyToManyField("subjects.Subject", through="subjects.AnswerSubject")

test.py

def tets_get_answer:
  Answer.objects.create(
        text=f'{"test answer"}',
        subjects = f{"test subject"} # the error is here, how do I assign subjects?
    ),
    ........

this is the error that I am getting:

E       TypeError: Direct assignment to the forward side of a many-to-many set is prohibited. Use subjects.set() instead.

Any help is appreciated