Merge lp:~dorian-kemps/unifield-web/US-6728 into lp:unifield-web

[jftempo]

=== modified file 'addons/openerp/widgets/listgroup.py'
--- addons/openerp/widgets/listgroup.py	2019-04-30 14:13:35 +0000
+++ addons/openerp/widgets/listgroup.py	2020-01-27 10:41:53 +0000
@@ -96,9 +96,10 @@
     if isinstance(computation, basestring):
         computation = eval(computation)
 
-    if grp_records and total_fields and group_by:
+    if total_fields and group_by:
         for sum_key, sum_val in total_fields.items():
-            if grp_records[0].has_key(sum_key):
+            total_fields[sum_key][1] = 0
+            if grp_records and grp_records[0].has_key(sum_key):
                 uom_id = set()
                 if rounding_values and fields.get(sum_key, {}).get('related_uom'):
                     uom_id = set([x.get(fields[sum_key]['related_uom']) for x in grp_records])