Fix movievote inlining in admin

watchlist/admin.py

@@ -3,7 +3,8 @@ from django.contrib import admin
 from . import models
 
 class MovieVoteInline(admin.StackedInline):
-    model = models.MovieVote()
+    model = models.MovieVote
+    extra = 0
 
 class MovieAdmin(admin.ModelAdmin):
     fields = [
@@ -11,6 +12,9 @@ class MovieAdmin(admin.ModelAdmin):
     ]
     readonly_fields = ("score",)
     list_display = ["name", "watched", "suggested_by", "score"]
+    inlines = [
+        MovieVoteInline
+    ]
 
     @admin.display(description="Score")
     def score(self, instance):