Move schedule management command log_prefix to a class attribute

openedx/core/djangoapps/schedules/management/commands/send_course_update.py

@@ -4,10 +4,7 @@ from openedx.core.djangoapps.schedules.tasks import ScheduleCourseUpdate
 
 class Command(SendEmailBaseCommand):
     async_send_task = ScheduleCourseUpdate
-
-    def __init__(self, *args, **kwargs):
-        super(Command, self).__init__(*args, **kwargs)
-        self.log_prefix = 'Upgrade Reminder'
+    log_prefix = 'Course Update'
 
     def send_emails(self, *args, **kwargs):
         for day_offset in xrange(-7, -77, -7):

openedx/core/djangoapps/schedules/management/commands/send_recurring_nudge.py

@@ -4,10 +4,7 @@ from openedx.core.djangoapps.schedules.tasks import ScheduleRecurringNudge
 
 class Command(SendEmailBaseCommand):
     async_send_task = ScheduleRecurringNudge
-
-    def __init__(self, *args, **kwargs):
-        super(Command, self).__init__(*args, **kwargs)
-        self.log_prefix = 'Scheduled Nudge'
+    log_prefix = 'Scheduled Nudge'
 
     def send_emails(self, *args, **kwargs):
         for day_offset in (-3, -10):

openedx/core/djangoapps/schedules/management/commands/send_upgrade_reminder.py

@@ -4,10 +4,7 @@ from openedx.core.djangoapps.schedules.tasks import ScheduleUpgradeReminder
 
 class Command(SendEmailBaseCommand):
     async_send_task = ScheduleUpgradeReminder
-
-    def __init__(self, *args, **kwargs):
-        super(Command, self).__init__(*args, **kwargs)
-        self.log_prefix = 'Upgrade Reminder'
+    log_prefix = 'Upgrade Reminder'
 
     def send_emails(self, *args, **kwargs):
         self.enqueue(2, *args, **kwargs)