[PEP8] fix pep8 error

easy_my_coop_eater/models/coop.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
-from openerp import api, fields, models
+from openerp import api, models
 
-class subscription_request(models.Model):
+
+class SubscriptionRequest(models.Model):
     _inherit = 'subscription.request'
 
     def get_eater_vals(self, partner, share_product_id):
@@ -18,7 +19,7 @@ class subscription_request(models.Model):
     @api.one
     def validate_subscription_request(self):
 
-        invoice = super(subscription_request, self).validate_subscription_request()[0]
+        invoice = super(SubscriptionRequest, self).validate_subscription_request()[0]
         partner = invoice.partner_id
 
         vals = self.get_eater_vals(partner, self.share_product_id)

easy_my_coop_eater/models/product.py

@@ -1,7 +1,10 @@
 # -*- coding: utf-8 -*-
-from openerp import api, fields, models, _
+from openerp import fields, models
+
 
 class ProductTemplate(models.Model):
     _inherit = 'product.template'
 
-    eater = fields.Selection([('eater', 'Eater'), ('worker_eater', 'Worker and Eater')], string="Eater/Worker")
+    eater = fields.Selection([('eater', 'Eater'),
+                              ('worker_eater', 'Worker and Eater')],
+                             string="Eater/Worker")