From a0c47fcedfedba7782c67308b842194804beeb72 Mon Sep 17 00:00:00 2001
From: Jorran de Wit <jorrandewit@outlook.com>
Date: Wed, 12 Dec 2018 13:33:00 +0100
Subject: [PATCH] Fix required field in admin

---
 submissions/admin.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/submissions/admin.py b/submissions/admin.py
index d41460b4e..6fb310504 100644
--- a/submissions/admin.py
+++ b/submissions/admin.py
@@ -32,6 +32,7 @@ class SubmissionAdminForm(forms.ModelForm):
         required=False,
         queryset=Contributor.objects.order_by('user__last_name'))
     is_resubmission_of = forms.ModelChoiceField(
+        required=False,
         queryset=Submission.objects.order_by('-preprint__identifier_w_vn_nr'))
 
     class Meta:
-- 
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