Fix

purchase.py

@@ -7,7 +7,8 @@ from trytond.model import fields, ModelView
 from trytond.pool import PoolMeta, Pool
 from trytond.pyson import Eval
 from trytond.transaction import Transaction
-from trytond.wizard import Wizard, StateReport, StateView, Button, StateTransition
+from trytond.wizard import (
+    Wizard, StateReport, StateView, Button, StateTransition)
 from trytond.report import Report
 
 STATES = {
@@ -98,10 +99,7 @@ class PurchaseLine(metaclass=PoolMeta):
             self.quantity = self.original_qty
 
     def _get_invoice_line_quantity(self):
-        qty = self.quantity
-        # if self.purchase.invoice_method != 'manual':
-        #     qty = super(PurchaseLine, self)._get_invoice_line_quantity()
-        return qty
+        return self.quantity
 
 
 class PurchaseFarmingStart(ModelView):
@@ -124,7 +122,8 @@ class PurchaseFarmingStart(ModelView):
 class PurchaseFarming(Wizard):
     'Purchase Analytic Report'
     __name__ = 'farming.purchase'
-    start = StateView('farming.purchase.start',
+    start = StateView(
+        'farming.purchase.start',
         'farming.farming_purchase_start_view_form', [
             Button('Cancel', 'end', 'tryton-cancel'),
             Button('Print', 'print_', 'tryton-ok', default=True),
@@ -187,7 +186,8 @@ class GroupingPurchasesStart(ModelView):
 class GroupingPurchases(Wizard):
     'Grouping Purchases'
     __name__ = 'purchase.grouping_purchases'
-    start = StateView('purchase.grouping_purchases.start',
+    start = StateView(
+        'purchase.grouping_purchases.start',
         'farming.grouping_purchases_start_view_form', [
             Button('Cancel', 'end', 'tryton-cancel'),
             Button('Ok', 'accept', 'tryton-ok', default=True),
@@ -255,7 +255,8 @@ class UpdatePurchaseLineStart(ModelView):
 class UpdatePurchaseLine(Wizard):
     'Update Purchase Line'
     __name__ = 'farming.purchase_update_line'
-    start = StateView('farming.purchase_update_line.start',
+    start = StateView(
+        'farming.purchase_update_line.start',
         'farming.purchase_update_line_start_view_form', [
             Button('Cancel', 'end', 'tryton-cancel'),
             Button('Ok', 'accept', 'tryton-ok', default=True),
@@ -269,7 +270,7 @@ class UpdatePurchaseLine(Wizard):
         print(line.purchase.state, line.purchase.id)
         if line.purchase.invoices or not self.start.unit_price:
             return 'end'
-        
+
         elif line.purchase.state == 'done' and not line.purchase.invoices:
             Purchase = Pool().get('purchase.purchase')
             _purchase = Table('purchase_purchase')
@@ -289,6 +290,4 @@ class UpdatePurchaseLine(Wizard):
             where=_line.id == record_id)
         )
         line.purchase.save()
-        
-        
         return 'end'