PEP8 fixes.

bank.py

@@ -17,13 +17,13 @@ class Bank(ModelSQL, ModelView):
     party = fields.Many2One('party.party', 'Party', required=True,
             ondelete='CASCADE')
     bank_code = fields.Char('National Code', select=1,
-            states={
-                'required': Not(Bool(Eval('bic')))
-                }, depends=['bic'])
+        states={
+            'required': Not(Bool(Eval('bic')))
+            }, depends=['bic'])
     bic = fields.Char('BIC/SWIFT', select=1,
-            states={
-                'required': Not(Bool(Eval('bank_code')))
-                }, depends=['bank_code'])
+        states={
+            'required': Not(Bool(Eval('bank_code')))
+            }, depends=['bank_code'])
 
     def get_rec_name(self, name):
         code = self.bank_code if self.bank_code else self.bic

party.py

@@ -1,5 +1,5 @@
 #This file is part party_bank module for Tryton.
-#The COPYRIGHT file at the top level of this repository contains 
+#The COPYRIGHT file at the top level of this repository contains
 #the full copyright notices and license terms.
 from trytond.model import fields
 from trytond.pool import PoolMeta
@@ -7,8 +7,8 @@ from trytond.pool import PoolMeta
 __all__ = ['Party']
 __metaclass__ = PoolMeta
 
+
 class Party:
     __name__ = 'party.party'
 
     bank_accounts = fields.One2Many('bank.account', 'party', 'Bank Accounts')
-