Crash when process a purchase from purchase request created from a sale.

issue8038.diff

@@ -0,0 +1,15 @@
+Index: b/trytond/trytond/modules/sale_supply_drop_shipment/stock.py
+===================================================================
+--- a/trytond/trytond/modules/sale_supply_drop_shipment/stock.py
++++ b/trytond/trytond/modules/sale_supply_drop_shipment/stock.py
+@@ -423,7 +423,9 @@ class ShipmentDrop(Workflow, ModelSQL, M
+             for move in shipment.supplier_moves:
+                 if not move.origin:
+                     continue
+-                sale_line = request2sline[pline2request[move.origin]]
++                sale_line = request2sline.get(pline2request.get(move.origin))
++                if not sale_line:
++                    continue
+                 for move in sale_line.moves:
+                     if (move.state not in ('cancel', 'done')
+                             and not move.shipment

series

@@ -80,3 +80,4 @@ issue7856.diff # [stock] Can't move qty from a parent location to child location
 issue8058.diff # [stock_supply_production] Can't create productions from request because exceeds digits limit
 
 #issue7334.diff # [trytond] read history that created_date is before the requested create_date
+issue8038.diff # [sale_supply_drop_shipment] Crash when process a purchase from purchase request created from a sale