.

anatomy/migrations/0047_auto_20211022_2038.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.8 on 2021-10-22 19:38
+
+import anatomy.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('anatomy', '0046_alter_exam_open_access'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='structure',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='anatomyquestion',
+            name='image',
+            field=models.ImageField(help_text="The image to use for the question. Ideally use use unmarked images and annotate (arrow) them on the test system. If you wish to reuse an image that is already uploaded 'clone' the question that contains it.As a preference", upload_to=anatomy.models.image_directory_path),
+        ),
+        migrations.AlterField(
+            model_name='structure',
+            name='structure',
+            field=models.CharField(max_length=200, primary_key=True, serialize=False),
+        ),
+    ]

anatomy/models.py

@@ -43,7 +43,7 @@ class BodyPart(models.Model):
 
 
 class Structure(models.Model):
-    structure = models.CharField(max_length=200)
+    structure = models.CharField(max_length=200, primary_key=True)
 
     def __str__(self):
         return self.structure