Remove _id unnecessary suffix

Author: fjsj

docs/tutorial.md

@@ -342,7 +342,7 @@ class VirtualMovie(v.VirtualModel):
         lambda qs, user, **kwargs: qs.annotate(
             Subquery(
                 UserMovieRating.objects.filter(
-                    movie_id=OuterRef("pk"),
+                    movie=OuterRef("pk"),
                     user=user
                 ).values("rating")[:1]
             )

tests/virtual_models/models.py

@@ -101,7 +101,7 @@ def annotate_lessons_total(self):
         # Instead, use SQCount:
         return self.annotate(
             lessons_total=SQCount(
-                Lesson.objects.filter(course_id=OuterRef("course_id")),
+                Lesson.objects.filter(course=OuterRef("course_id")),
             ),
         )
 
@@ -111,7 +111,7 @@ def annotate_lessons_completed_total(self):
         # Instead, use SQCount:
         return self.annotate(
             lessons_completed_total=SQCount(
-                CompletedLesson.objects.filter(assignment_id=OuterRef("id")),
+                CompletedLesson.objects.filter(assignment=OuterRef("id")),
             ),
         )