class User(Model):
   user_id = fields.BigIntField(pk=True, generated=False)
   first_name = fields.CharField(max_length=255)
   last_name = fields.CharField(max_length=255, null=True)
   username = fields.CharField(max_length=32, null=True)
   user_group = fields.CharField(max_length=255, null=True)
   state = fields.IntField(null=True)
   captain_by_team: fields.ReverseRelation["Team"]
   team: fields.ManyToManyRelation['Team']
   class Meta:
       table = "users"

class Team(Model):
   team_id = fields.IntField(pk=True)
   team_name = fields.CharField(max_length=255)
   chat: fields.ForeignKeyRelation[Chat] = fields.ForeignKeyField(
       'models.Chat',
       related_name="team")
   captain: fields.ForeignKeyRelation[User] = fields.ForeignKeyField(
           "models.User", related_name="captain_by_team")
   description = fields.CharField(max_length=255, null=True)
   state = fields.IntField(null=True)
   players: fields.ManyToManyRelation[User] = fields.ManyToManyField(
       "models.User"…