small fixes to weeks to complete PR

course_discovery/apps/course_metadata/data_loaders/marketing_site.py

@@ -466,6 +466,7 @@ class CourseMarketingSiteDataLoader(AbstractMarketingSiteDataLoader):
             'start': start,
             'pacing_type': self.get_pacing_type(data),
             'hidden': self.get_hidden(data),
+            'weeks_to_complete': None,
         }
 
         if weeks_to_complete:

course_discovery/apps/course_metadata/migrations/0031_courserun_weeks_to_complete.py → course_discovery/apps/course_metadata/migrations/0031_auto_20161020_1814.py

@@ -14,6 +14,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='courserun',
             name='weeks_to_complete',
-            field=models.PositiveSmallIntegerField(null=True, blank=True, help_text='This field is now deprecated (ECOM-6021).Estimated number of weeks needed to complete a course run.'),
+            field=models.PositiveSmallIntegerField(blank=True, help_text='Estimated number of weeks needed to complete this course run.', null=True),
+        ),
+        migrations.AlterField(
+            model_name='program',
+            name='weeks_to_complete',
+            field=models.PositiveSmallIntegerField(blank=True, help_text='This field is now deprecated (ECOM-6021).Estimated number of weeks needed to complete a course run belonging to this program.', null=True),
         ),
     ]