Se corrieron las pruebas de estilo y de tryton

invoice.py

@@ -1,6 +1,4 @@
-from trytond.pool import Pool, PoolMeta
+from trytond.pool import PoolMeta
-from trytond.model import ModelView, fields
-from trytond.exceptions import UserError
 from trytond.pyson import Eval
 
 
@@ -13,4 +11,3 @@ class InvoiceLine(metaclass=PoolMeta):
 
         cls.product.states['required'] = (Eval('type') == 'line')
         cls.unit_price.domain = []
-

product.py

@@ -1,6 +1,6 @@
-from trytond.pool import Pool, PoolMeta
+from trytond.pool import PoolMeta
 from trytond.model import fields
-from trytond.pyson import Eval, Bool
+from trytond.pyson import Eval
 
 
 class Product(metaclass=PoolMeta):

production.py

@@ -1,12 +1,8 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 from decimal import Decimal
-
 from trytond.pool import Pool, PoolMeta
 from trytond.model import fields
-from trytond.modules.product import price_digits, round_price
-
-from trytond.exceptions import UserError
 
 
 BOM_CHANGES = ['bom', 'product', 'quantity', 'uom', 'warehouse', 'location',
@@ -37,14 +33,16 @@ class Production(metaclass=PoolMeta):
             move = self._explode_move_values('input', input_, quantity)
             if move:
                 inputs.append(move)
-                quantity = Uom.compute_qty(input_.uom, quantity,
+                quantity = Uom.compute_qty(
+                    input_.uom, quantity,
                     input_.product.default_uom, round=False)
             # else:
             #     quantity = input_.compute_quantity(factor)
             #     move = self._explode_move_values('output', input_, quantity)
             #     if move:
             #         inputs.append(move)
-            #         quantity = Uom.compute_qty(input_.uom, quantity,
+            #         quantity = Uom.compute_qty(
+                # input_.uom, quantity,
             #   input_.product.default_uom, round=False)
         self.inputs = inputs
 

user.py

@@ -1,5 +1,6 @@
 from trytond.model import fields
-from trytond.pool import Pool, PoolMeta
+from trytond.pool import PoolMeta
+
 
 class User(metaclass=PoolMeta):
     "User"