minor fix

__init__.py

@@ -11,6 +11,7 @@ from . import product
 from . import voucher
 from . import purchase
 from . import ir
+from . import move
 
 
 def register():
@@ -35,6 +36,7 @@ def register():
         purchase.Purchase,
         purchase.Line,
         ir.Cron,
+        move.Move,
         module='laboratory', type_='model')
     Pool.register(
         service_order.CreateInvoice,

move.py

@@ -0,0 +1,19 @@
+from trytond.pool import PoolMeta
+from trytond.modules.analytic_co.exceptions import AnalyticError
+
+
+class Move(metaclass=PoolMeta):
+    __name__ = 'account.move'
+
+    @classmethod
+    def validate_move(cls, moves):
+        super(Move, cls).validate_move(moves)
+        for move in moves:
+            if move.state != 'draft' and move.period.type != 'adjustment':
+                for line in move.lines:
+                    if line.account and line.account.type.statement != 'balance' and \
+                        not line.analytic_lines and not line.account.code.startswith('4'):
+                        raise AnalyticError(
+                            gettext('analytic_co.msg_analytic_error',
+                            line=line.rec_name, account=line.account.rec_name)
+                        )

tryton.cfg

@@ -6,6 +6,7 @@ depends:
     product
     sale
     company_operation
+    analytic_co
     # log
 xml:
     laboratory.xml