Skip line with debit and credit equals to zero in FEC

issue7425
review72311002

account.py

@@ -261,6 +261,7 @@ class AccountFrFEC(Wizard):
         domain = [
             ('move.period.fiscalyear', '=', self.start.fiscalyear.id),
             ('move.state', '=', 'posted'),
+            ['OR', ('debit', '!=', 0), ('credit', '!=', 0)],
             ]
         if self.start.deferral_period:
             domain.append(('move.period', '!=', self.start.deferral_period.id))

tests/scenario_fec.rst

@@ -84,6 +84,8 @@ Create some moves::
     >>> move.post_number = '1'
     >>> move.click('post')
 
+With an empty line::
+
     >>> move = Move()
     >>> move.period = period
     >>> move.journal = journal_revenue
@@ -95,6 +97,9 @@ Create some moves::
     >>> line.account = receivable
     >>> line.debit = Decimal(10)
     >>> line.party = party
+    >>> line = move.lines.new()
+    >>> line.account = cash
+    >>> line.debit = line.credit = Decimal(0)
     >>> move.post_date = period.start_date
     >>> move.post_number = '1'
     >>> move.click('post')