From fd541d224341b0c61170e571ac46f2b7608ed0e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Tue, 28 Mar 2017 16:04:40 +0200
Subject: [PATCH] Changed interpretation of '' in form handling of integer
 properties.

---
 pillar/web/nodes/forms.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pillar/web/nodes/forms.py b/pillar/web/nodes/forms.py
index 8fd26030..714d3779 100644
--- a/pillar/web/nodes/forms.py
+++ b/pillar/web/nodes/forms.py
@@ -168,8 +168,8 @@ def process_node_form(form, node_id=None, node_type=None, user=None):
             if schema_prop['type'] == 'dict':
                 data = attachments.attachment_form_parse_post_data(data)
             elif schema_prop['type'] == 'integer':
-                if data == '':
-                    data = 0
+                if not data:
+                    data = None
                 else:
                     data = int(form[prop_name].data)
             elif schema_prop['type'] == 'float':