comment allow blank

@@ -57,7 +57,7 @@ class CommentAbstractModel(BaseCommentAbstractModel):
     user_email = models.EmailField(_("user's email address"), blank=True)
     user_url = models.URLField(_("user's URL"), blank=True)
 
-    comment = models.TextField(_('comment'), max_length=COMMENT_MAX_LENGTH)
+    comment = models.TextField(_('comment'), max_length=COMMENT_MAX_LENGTH, blank=True)
 
     # Metadata about the comment
     submit_date = models.DateTimeField(_('date/time submitted'), default=None, db_index=True)

+# Generated by Django 2.2.2 on 2020-02-10 21:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_comments', '0004_comment_image'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='comment',
+            name='comment',
+            field=models.TextField(blank=True, max_length=3000, verbose_name='comment'),
+        ),
+    ]