Add number in references when is not none

#044317
2021-04-23 08:23:08 +02:00 · 2021-04-23 08:23:08 +02:00 · 1f3aa58619
parent d1cafcfa94
commit 1f3aa58619
1 changed files with 3 additions and 1 deletions
--- a/invoice.py
+++ b/invoice.py
@ -49,7 +49,9 @@ class InvoiceLine(metaclass=PoolMeta):
            if name.endswith('reference'):
                if (hasattr(source, 'number')
                        and hasattr(source, 'reference')):
-                    references = [source.number]
+                    references = []
+                    if source.number:
+                        references.append(source.number)
                    if source.reference:
                        references.append(source.reference)
                    reference = ' / '.join(references)