Cleaned pylint quality issues in instructor email content history code

lms/djangoapps/instructor/tests/test_api.py

@@ -32,7 +32,6 @@
 from courseware.tests.factories import StaffFactory, InstructorFactory, BetaTesterFactory
 from student.roles import CourseBetaTesterRole
 from microsite_configuration import microsite
-from util.date_utils import get_default_time_display
 from instructor.tests.utils import FakeContentTask, FakeEmail, FakeEmailInfo
 
 from student.models import CourseEnrollment, CourseEnrollmentAllowed
@@ -1891,6 +1890,9 @@ def setUp(self):
         self.course = CourseFactory.create()
         self.instructor = InstructorFactory(course_key=self.course.id)
         self.client.login(username=self.instructor.username, password='test')
+        self.tasks = {}
+        self.emails = {}
+        self.emails_info = {}
 
     def tearDown(self):
         """
@@ -1900,16 +1902,13 @@ def tearDown(self):
 
     def setup_fake_email_info(self, num_emails):
         """ Initialize the specified number of fake emails """
-        self.tasks = {}
-        self.emails = {}
-        self.emails_info = {}
         for email_id in range(num_emails):
             num_sent = random.randint(1, 15401)
             self.tasks[email_id] = FakeContentTask(email_id, num_sent, 'expected')
             self.emails[email_id] = FakeEmail(email_id)
             self.emails_info[email_id] = FakeEmailInfo(self.emails[email_id], num_sent)
 
-    def get_matching_mock_email(self, *args, **kwargs):
+    def get_matching_mock_email(self, **kwargs):
         """ Returns the matching mock emails for the given id """
         email_id = kwargs.get('id', 0)
         return self.emails[email_id]
@@ -1964,9 +1963,9 @@ def test_content_list_email_content_many(self, task_history_request):
 
     def test_list_email_content_error(self, task_history_request):
         """ Test handling of error retrieving email """
-        self.invalid_task = FakeContentTask(0, 0, 'test')
-        self.invalid_task.make_invalid_input()
-        task_history_request.return_value = [self.invalid_task]
+        invalid_task = FakeContentTask(0, 0, 'test')
+        invalid_task.make_invalid_input()
+        task_history_request.return_value = [invalid_task]
         url = reverse('list_email_content', kwargs={'course_id': self.course.id.to_deprecated_string()})
         response = self.client.get(url, {})
         self.assertEqual(response.status_code, 200)

lms/djangoapps/instructor/tests/utils.py

@@ -51,7 +51,7 @@ class FakeEmail(FakeInfo):
 
     def __init__(self, email_id):
         super(FakeEmail, self).__init__()
-        self.id = unicode(email_id)
+        self.id = unicode(email_id)  # pylint: disable=invalid-name
         # Select a random data for create field
         year = random.choice(range(1950, 2000))
         month = random.choice(range(1, 12))

lms/djangoapps/instructor/views/api.py

@@ -20,7 +20,6 @@
 from django.http import HttpResponse, HttpResponseBadRequest, HttpResponseForbidden
 from django.utils.html import strip_tags
 from util.json_request import JsonResponse
-from util.date_utils import get_default_time_display
 from instructor.views.instructor_task_helpers import extract_email_features, extract_task_features
 
 from courseware.access import has_access
@@ -873,7 +872,7 @@ def list_background_email_tasks(request, course_id):  # pylint: disable=unused-a
 @ensure_csrf_cookie
 @cache_control(no_cache=True, no_store=True, must_revalidate=True)
 @require_level('staff')
-def list_email_content(requests, course_id):
+def list_email_content(request, course_id):  # pylint: disable=unused-argument
     """
     List the content of bulk emails sent
     """