Upgrade edx-lint to 0.5.2

This allows us to upgrade from pylint 1.5.4 to 1.6.4.

course_discovery/apps/api/serializers.py

@@ -806,7 +806,7 @@ class FlattenedCourseRunWithCourseSerializer(CourseRunSerializer):
                 else:
                     seats[seat.type][key] = SeatSerializer(seat).data[key]
 
-        for credit_attr in seats['credit'].keys():
+        for credit_attr in seats['credit']:
             seats['credit'][credit_attr] = ','.join([str(e) for e in seats['credit'][credit_attr]])
 
         return seats

course_discovery/apps/api/tests/test_serializers.py

@@ -402,7 +402,7 @@ class FlattenedCourseRunWithCourseSerializerTests(TestCase):  # pragma: no cover
                 else:
                     seats[seat.type][key] = SeatSerializer(seat).data[key]
 
-        for credit_attr in seats['credit'].keys():
+        for credit_attr in seats['credit']:
             seats['credit'][credit_attr] = ','.join([str(e) for e in seats['credit'][credit_attr]])
 
         return seats

course_discovery/apps/publisher/emails.py

@@ -36,7 +36,7 @@ def send_email_for_change_state(course_run):
         template = get_template(html_template)
         html_content = template.render(context)
 
-        subject = _('Course Run {title}-{pacing_type}-{start} state has been changed.').format(
+        subject = _('Course Run {title}-{pacing_type}-{start} state has been changed.').format(  # pylint: disable=no-member
             title=course_run.course.title,
             pacing_type=course_run.get_pacing_type_display(),
             start=course_run.start.strftime('%B %d, %Y') if course_run.start else ''

course_discovery/apps/publisher_comments/emails.py

@@ -36,7 +36,7 @@ def send_email_for_comment(comment, created=False):
             # Translators: subject_desc will be choice from ('New comment added', 'Comment updated'),
             # 'pacing_type' will be choice from ('instructor-paced', 'self-paced'),
             # 'title' and 'start' will be the value of course title & start date fields.
-            subject = _('{subject_desc} in course run: {title}-{pacing_type}-{start}').format(
+            subject = _('{subject_desc} in course run: {title}-{pacing_type}-{start}').format(  # pylint: disable=no-member
                 subject_desc=subject_desc,
                 title=course.title,
                 pacing_type=publisher_obj.get_pacing_type_display(),
@@ -48,7 +48,7 @@ def send_email_for_comment(comment, created=False):
 
             # Translators: 'subject_desc' will be choice from ('New comment added', 'Comment updated')
             # and 'title' will be the value of course title field.
-            subject = _('{subject_desc} in Course: {title}').format(
+            subject = _('{subject_desc} in Course: {title}').format(  # pylint: disable=no-member
                 subject_desc=subject_desc,
                 title=course.title
             )

requirements/test.txt

@@ -4,7 +4,7 @@
 coverage==4.2
 ddt==1.1.0
 django-nose==1.4.4
-edx-lint==0.5.1
+edx-lint==0.5.2
 factory-boy==2.7.0
 freezegun==0.3.7
 lxml==3.6.1