roster_buttons.do not translate buttons lebel.

triggers.remove unused import,coding style

plugins/roster_buttons/roster_buttons.ui

@@ -10,7 +10,7 @@
         <property name="layout_style">spread</property>
         <child>
           <object class="GtkButton" id="roster_button_1">
-            <property name="label" translatable="yes">1</property>
+            <property name="label">1</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
@@ -24,7 +24,7 @@
         </child>
         <child>
           <object class="GtkButton" id="roster_button_2">
-            <property name="label" translatable="yes">2</property>
+            <property name="label">2</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
@@ -38,7 +38,7 @@
         </child>
         <child>
           <object class="GtkButton" id="roster_button_3">
-            <property name="label" translatable="yes">3</property>
+            <property name="label">3</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>
@@ -52,7 +52,7 @@
         </child>
         <child>
           <object class="GtkButton" id="roster_button_4">
-            <property name="label" translatable="yes">4</property>
+            <property name="label">4</property>
             <property name="visible">True</property>
             <property name="can_focus">True</property>
             <property name="receives_default">True</property>

plugins/triggers/triggers.py

@@ -24,7 +24,7 @@
 
 from common import gajim
 from plugins import GajimPlugin
-from plugins.helpers import log_calls, log
+from plugins.helpers import log_calls
 from plugins.gui import GajimPluginConfigDialog
 from common import ged
 from common import helpers
@@ -38,7 +38,7 @@ def init(self):
         self.config_dialog = TriggersPluginConfigDialog(self)
         self.config_default_values = {}
 
-        self.events_handlers = {'notification' : (ged.PREGUI, self._nec_notif),
+        self.events_handlers = {'notification': (ged.PREGUI, self._nec_notif),
             'decrypted-message-received': (ged.PREGUI2,
             self._nec_decrypted_message_received),
             'presence-received': (ged.PREGUI, self._nec_presence_received)}
@@ -436,7 +436,7 @@ def on_delete_button_clicked(self, widget):
         while iter2:
             num = model[iter2][0]
             model[iter2][0] = num - 1
-            self.config[num-1] = self.config[num].copy()
+            self.config[num - 1] = self.config[num].copy()
             iter2 = model.iter_next(iter2)
         model.remove(iter_)
         del self.config[num]
@@ -454,7 +454,7 @@ def on_up_button_clicked(self, widget):
         self.config[self.active_num] = self.config[self.active_num - 1]
         self.config[self.active_num - 1] = conf
 
-        model[iter_][0] =self.active_num - 1
+        model[iter_][0] = self.active_num - 1
         # get previous iter
         path = model.get_path(iter_)
         iter_ = model.get_iter((path[0] - 1,))