The health sheet is required only for children

apps/registration/migrations/0004_auto_20210121_2153.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.0.11 on 2021-01-21 20:53
+
+from django.db import migrations, models
+import registration.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('registration', '0003_auto_20210118_1738'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='participantregistration',
+            name='health_sheet',
+        ),
+        migrations.AddField(
+            model_name='studentregistration',
+            name='health_sheet',
+            field=models.FileField(blank=True, default='', upload_to=registration.models.get_random_health_filename, verbose_name='health sheet'),
+        ),
+    ]