old_contents: from .course import Course
  from .grading import Grading
  from .gradingscheme import GradingScheme
  from .testmachine import TestMachine
  from .submission import Submission
  from .submissionfile import SubmissionFile
  from .submissiontestresult import SubmissionTestResult
  from .assignment import Assignment
  from .userprofile import UserProfile
  from .studyprogram import StudyProgram
  
  
new_contents: from .course import Course
  from .grading import Grading
  from .gradingscheme import GradingScheme
  from .testmachine import TestMachine
  from .submission import Submission
  from .submissionfile import SubmissionFile
  from .submissiontestresult import SubmissionTestResult
  from .assignment import Assignment
  from .userprofile import UserProfile
  from .studyprogram import StudyProgram
  from .ltiresult import LtiResult
  
  
subject: Make LtiResult model available