[gedit-plugins/translate] Fixes

[Jordi Mas <jmas src gnome org>]

commit 2d533453e9c7859fa42471f6ef851c7910e05239
Author: Jordi Mas <jmas softcatala org>
Date:   Fri Jul 21 17:14:31 2017 +0200

    Fixes

 plugins/translate/translate/preferences.py       |    6 +++---
 plugins/translate/translate/services/services.py |    8 +++++---
 2 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/plugins/translate/translate/preferences.py b/plugins/translate/translate/preferences.py
index 546322f..8247441 100644
--- a/plugins/translate/translate/preferences.py
+++ b/plugins/translate/translate/preferences.py
@@ -60,7 +60,7 @@ class Preferences(object):
         else:
             self._apikey = None
             return
-            
+
         self._apikey.connect('changed', self._changed_apikey)
         key = self._settings.get_string(self.API_KEY)
         self._apikey.set_text(key)
@@ -81,7 +81,7 @@ class Preferences(object):
             apibox.remove(self._apikey)
             self._apilabel = None
             self._apikey = None
-       
+
     def _init_radiobuttons(self):
         self._radio_samedoc = self._ui.get_object('same_document')
         self._output_window = self._ui.get_object('output_window')
@@ -109,7 +109,7 @@ class Preferences(object):
         service_id = self._settings.get_uint(self.SERVICE)
         self._services.set_active(service_id)
         self._services.connect('changed', self._changed_services)
-        
+
     def _init_combobox_languages(self):
         self._languages = self._ui.get_object('languages')
 
diff --git a/plugins/translate/translate/services/services.py 
b/plugins/translate/translate/services/services.py
index 57f99c2..8ac4f5f 100644
--- a/plugins/translate/translate/services/services.py
+++ b/plugins/translate/translate/services/services.py
@@ -23,7 +23,9 @@ from .yandex import Yandex
 
 class Services():
 
-    SERVICES = {0: "Apertium", 1: "Yandex"}
+    APERTIUM_ID = 0
+    YANDEX_ID = 1
+    SERVICES = {APERTIUM_ID: "Apertium", YANDEX_ID: "Yandex"}
 
     @staticmethod
     def get_name(service_id):
@@ -32,9 +34,9 @@ class Services():
     @staticmethod
     def get(service_id):
         print(service_id)
-        if service_id == 0:
+        if service_id == Services.APERTIUM_ID:
             return Apertium()
-        elif service_id == 1:
+        elif service_id == Services.YANDEX_ID:
             return Yandex()
 
     @staticmethod