Don't put current date as default value for memberships

users/migrations/0046_auto_20211114_1624.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.2.24 on 2021-11-14 15:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0045_auto_20211114_1423'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='membership',
+            name='date_end',
+            field=models.DateField(verbose_name='start date'),
+        ),
+        migrations.AlterField(
+            model_name='membership',
+            name='date_start',
+            field=models.DateField(verbose_name='start date'),
+        ),
+    ]