Remove unused imports from lms, as detected by pylint.

lms/djangoapps/circuit/models.py

-import uuid
-
 from django.db import models
-from django.contrib.auth.models import User
 
 
 class ServerCircuit(models.Model):

lms/djangoapps/circuit/views.py

 import json
-import os
 
 import xml.etree.ElementTree
 
-from django.conf import settings
 from django.http import Http404
 from django.http import HttpResponse
-from django.shortcuts import redirect
-from mitxmako.shortcuts import render_to_response, render_to_string
+from mitxmako.shortcuts import render_to_response
 
 from .models import ServerCircuit
 

lms/djangoapps/courseware/access.py

@@ -2,7 +2,6 @@
 Ideally, it will be the only place that needs to know about any special settings
 like DISABLE_START_DATES"""
 import logging
-import time
 from datetime import datetime, timedelta
 from functools import partial
 

lms/djangoapps/courseware/courses.py

 from collections import defaultdict
 from fs.errors import ResourceNotFoundError
-from functools import wraps
 import logging
 import inspect
 
-from lxml.html import rewrite_links
-
 from path import path
-from django.conf import settings
-from django.core.urlresolvers import reverse
 from django.http import Http404
 
 from .module_render import get_module
@@ -18,7 +13,6 @@ from xmodule.modulestore.django import modulestore
 from xmodule.contentstore.content import StaticContent
 from xmodule.modulestore.xml import XMLModuleStore
 from xmodule.modulestore.exceptions import ItemNotFoundError
-from xmodule.x_module import XModule
 from courseware.model_data import ModelDataCache
 from static_replace import replace_static_urls
 from courseware.access import has_access

lms/djangoapps/courseware/management/commands/clean_xml.py

@@ -2,15 +2,12 @@ import os
 import sys
 import traceback
 
-from filecmp import dircmp
 from fs.osfs import OSFS
 from path import path
-from lxml import etree
 
 from django.core.management.base import BaseCommand
 
 from xmodule.modulestore.xml import XMLModuleStore
-from xmodule.errortracker import make_error_tracker
 
 
 def traverse_tree(course):

lms/djangoapps/courseware/management/commands/metadata_to_json.py

@@ -2,7 +2,6 @@
 A script to walk a course xml tree, generate a dictionary of all the metadata,
 and print it out as a json dict.
 """
-import os
 import sys
 import json
 

lms/djangoapps/courseware/module_render.py

 import json
 import logging
-import pyparsing
 import re
 import sys
 import static_replace

lms/djangoapps/courseware/tabs.py

@@ -11,23 +11,16 @@ actually generates the CourseTab.
 
 from collections import namedtuple
 import logging
-import json
 
 from django.conf import settings
 from django.core.urlresolvers import reverse
 
-from fs.errors import ResourceNotFoundError
-
 from courseware.access import has_access
 
-from lxml.html import rewrite_links
 from .module_render import get_module
 from courseware.access import has_access
 from xmodule.modulestore import Location
 from xmodule.modulestore.django import modulestore
-from xmodule.modulestore.xml import XMLModuleStore
-from xmodule.x_module import XModule
-from student.models import unique_id_for_user
 from courseware.model_data import ModelDataCache
 
 from open_ended_grading import open_ended_notifications

lms/djangoapps/courseware/tests/test_access.py

-from mock import Mock, patch
+from mock import Mock
 
 from django.test import TestCase
 

lms/djangoapps/courseware/tests/test_masquerade.py

@@ -12,7 +12,7 @@ from django.test.utils import override_settings
 
 from django.core.urlresolvers import reverse
 
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import Group
 from courseware.access import _course_staff_group_name
 from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_XML_MODULESTORE, get_user
 from xmodule.modulestore.django import modulestore

lms/djangoapps/courseware/tests/test_module_render.py

@@ -8,7 +8,6 @@ from django.test import TestCase
 from django.test.client import RequestFactory
 from django.test.utils import override_settings
 
-from xmodule.modulestore.exceptions import ItemNotFoundError
 from xmodule.modulestore.django import modulestore
 import courseware.module_render as render
 from courseware.tests.tests import LoginEnrollmentTestCase

lms/djangoapps/dashboard/models.py

-from django.db import models
-
 # Create your models here.

lms/djangoapps/dashboard/views.py

-# Create your views here.
-import json
-from datetime import datetime
 from django.http import Http404
 from mitxmako.shortcuts import render_to_response
 from django.db import connection
 
-from student.models import CourseEnrollment, CourseEnrollmentAllowed
+from student.models import CourseEnrollment
 from django.contrib.auth.models import User
 
 

lms/djangoapps/debug/models.py

-from django.db import models
-
 # Create your models here.

lms/djangoapps/debug/views.py

@@ -5,7 +5,7 @@ import traceback
 
 from django.http import Http404
 from django.contrib.auth.decorators import login_required
-from django_future.csrf import ensure_csrf_cookie, csrf_exempt
+from django_future.csrf import ensure_csrf_cookie
 from mitxmako.shortcuts import render_to_response
 
 from codejail.safe_exec import safe_exec

lms/djangoapps/django_comment_client/helpers.py

-from django.core.urlresolvers import reverse
 from django.conf import settings
-from mitxmako.shortcuts import render_to_string
 from .mustache_helpers import mustache_helpers
-from django.core.urlresolvers import reverse
 from functools import partial
 
 from .utils import *

lms/djangoapps/django_comment_client/management/commands/show_permissions.py

 from django.core.management.base import BaseCommand, CommandError
-from django_comment_common.models import Permission, Role
 from django.contrib.auth.models import User
 
 

lms/djangoapps/django_comment_client/mustache_helpers.py

 from .utils import url_for_tags as _url_for_tags
 
 import django.core.urlresolvers as urlresolvers
-import urllib
 import sys
 import inspect
 

lms/djangoapps/django_comment_client/permissions.py

-from django_comment_common.models import Role, Permission
-from django.db.models.signals import post_save
-from django.dispatch import receiver
-from student.models import CourseEnrollment
-
 import logging
 from util.cache import cache
 from django.core import cache

lms/djangoapps/django_comment_client/tests/test_models.py

 import django_comment_common.models as models
-import django_comment_client.permissions as permissions
 from django.test import TestCase
 
 
@@ -44,7 +43,7 @@ class RoleClassTestCase(TestCase):
 
 class PermissionClassTestCase(TestCase):
     def setUp(self):
-        self.permission = permissions.Permission.objects.get_or_create(name="test")[0]
+        self.permission = models.Permission.objects.get_or_create(name="test")[0]
 
     def testUnicode(self):
         self.assertEqual(str(self.permission), "test")

lms/djangoapps/foldit/models.py

 import logging
 
-from django.conf import settings
 from django.contrib.auth.models import User
 from django.db import models
 
-from student.models import unique_id_for_user
-
 
 log = logging.getLogger(__name__)
 

lms/djangoapps/foldit/tests.py

@@ -5,7 +5,6 @@ from functools import partial
 from django.contrib.auth.models import User
 from django.test import TestCase
 from django.test.client import RequestFactory
-from django.conf import settings
 from django.core.urlresolvers import reverse
 
 from foldit.views import foldit_ops, verify_code

lms/djangoapps/instructor/management/commands/compute_grades.py

@@ -3,18 +3,10 @@
 # django management command: dump grades to csv files
 # for use by batch processes
 
-import os
-import sys
-import string
-import datetime
-import json
-
-#import student.models
 from instructor.offline_gradecalc import *
 from courseware.courses import get_course_by_id
 from xmodule.modulestore.django import modulestore
 
-from django.conf import settings
 from django.core.management.base import BaseCommand
 
 

lms/djangoapps/instructor/offline_gradecalc.py

@@ -6,16 +6,12 @@
 # The grades are stored in the OfflineComputedGrade table of the courseware model.
 
 import json
-import logging
 import time
 
-import courseware.models
-
-from collections import namedtuple
 from json import JSONEncoder
 from courseware import grades, models
 from courseware.courses import get_course_by_id
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import User
 
 
 class MyEncoder(JSONEncoder):

lms/djangoapps/instructor/tests/test_enrollment.py

@@ -9,7 +9,6 @@ from django.core.urlresolvers import reverse
 from courseware.access import _course_staff_group_name
 from courseware.tests.tests import LoginEnrollmentTestCase, TEST_DATA_XML_MODULESTORE, get_user
 from xmodule.modulestore.django import modulestore
-import xmodule.modulestore.django
 from student.models import CourseEnrollment, CourseEnrollmentAllowed
 from instructor.views import get_and_clean_student_list
 

lms/djangoapps/instructor/tests/test_gradebook.py

@@ -2,13 +2,11 @@
 Tests of the instructor dashboard gradebook
 """
 
-from django.test import TestCase
 from django.test.utils import override_settings
 from django.core.urlresolvers import reverse
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
-from student.tests.factories import UserFactory, CourseEnrollmentFactory, UserProfileFactory, AdminFactory
+from student.tests.factories import UserFactory, CourseEnrollmentFactory, AdminFactory
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
-from mock import patch, DEFAULT
 from courseware.tests.tests import TEST_DATA_MONGO_MODULESTORE
 from capa.tests.response_xml_factory import StringResponseXMLFactory
 from courseware.tests.factories import StudentModuleFactory

lms/djangoapps/instructor/tests/test_xss.py

@@ -3,7 +3,6 @@ Tests of various instructor dashboard features that include lists of students
 """
 
 from django.conf import settings
-from django.test import TestCase
 from django.test.client import RequestFactory
 from django.test.utils import override_settings
 from markupsafe import escape

lms/djangoapps/instructor_task/tests/test_integration.py

@@ -17,7 +17,6 @@ from django.core.urlresolvers import reverse
 from capa.tests.response_xml_factory import (CodeResponseXMLFactory,
                                              CustomResponseXMLFactory)
 from xmodule.modulestore.tests.factories import ItemFactory
-from xmodule.modulestore.exceptions import ItemNotFoundError
 
 from courseware.model_data import StudentModule
 

lms/djangoapps/instructor_task/tests/test_tasks.py

@@ -19,7 +19,7 @@ from courseware.tests.factories import StudentModuleFactory
 from student.tests.factories import UserFactory
 
 from instructor_task.models import InstructorTask
-from instructor_task.tests.test_base import InstructorTaskModuleTestCase, TEST_COURSE_ORG, TEST_COURSE_NUMBER
+from instructor_task.tests.test_base import InstructorTaskModuleTestCase
 from instructor_task.tests.factories import InstructorTaskFactory
 from instructor_task.tasks import rescore_problem, reset_problem_attempts, delete_problem_state
 from instructor_task.tasks_helper import UpdateProblemModuleStateError, update_problem_module_state

lms/djangoapps/licenses/management/commands/generate_serial_numbers.py

-import os.path
 from uuid import uuid4
-from optparse import make_option
 
 from django.utils.html import escape
 from django.core.management.base import BaseCommand, CommandError

lms/djangoapps/licenses/management/commands/import_serial_numbers.py

 import os.path
-from optparse import make_option
 
 from django.utils.html import escape
 from django.core.management.base import BaseCommand, CommandError

lms/djangoapps/lms_migration/management/commands/create_groups.py

@@ -5,13 +5,10 @@
 # Create all staff_* groups for classes in data directory.
 
 import os
-import sys
-import string
-import re
 
 from django.core.management.base import BaseCommand
 from django.conf import settings
-from django.contrib.auth.models import User, Group
+from django.contrib.auth.models import Group
 from path import path
 from lxml import etree
 

lms/djangoapps/lms_migration/management/commands/create_user.py

@@ -7,7 +7,6 @@
 import os
 import sys
 import string
-import re
 import datetime
 from getpass import getpass
 import json

lms/djangoapps/lms_migration/management/commands/manage_course_groups.py

@@ -4,17 +4,9 @@
 #
 # interactively list and edit membership in course staff and instructor groups
 
-import os
-import sys
-import string
 import re
-import datetime
-from getpass import getpass
-import json
-import readline
 
 from django.core.management.base import BaseCommand
-from django.conf import settings
 from django.contrib.auth.models import User, Group
 
 #-----------------------------------------------------------------------------

lms/djangoapps/lms_migration/migrate.py

@@ -5,7 +5,6 @@
 import json
 import logging
 import os
-from pprint import pprint
 import xmodule.modulestore.django as xmodule_django
 from xmodule.modulestore.django import modulestore
 

lms/djangoapps/notes/tests.py

@@ -9,9 +9,7 @@ from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
 
 import collections
-import unittest
 import json
-import logging
 
 from . import utils, api, models
 

lms/djangoapps/notes/views.py

@@ -4,7 +4,6 @@ from mitxmako.shortcuts import render_to_response
 from courseware.courses import get_course_with_access
 from notes.models import Note
 from notes.utils import notes_enabled_for_course
-import json
 
 
 @login_required

lms/djangoapps/open_ended_grading/staff_grading.py

@@ -5,7 +5,6 @@ LMS part of instructor grading:
 - calls the instructor grading service
 """
 
-import json
 import logging
 
 log = logging.getLogger(__name__)

lms/djangoapps/open_ended_grading/tests.py

@@ -9,7 +9,6 @@ from mock import MagicMock, patch, Mock
 
 from django.core.urlresolvers import reverse
 from django.contrib.auth.models import Group
-from django.http import HttpResponse
 from django.conf import settings
 from mitxmako.shortcuts import render_to_string
 

lms/djangoapps/open_ended_grading/views.py

 # Grading Views
 
 import logging
-import urllib
 
 from django.conf import settings
 from django.views.decorators.cache import cache_control

lms/djangoapps/psychometrics/management/commands/init_psychometrics.py

@@ -2,10 +2,6 @@
 #
 # generate pyschometrics data from tracking logs and student module data
 
-import os
-import sys
-import string
-import datetime
 import json
 
 from courseware.models import *

lms/djangoapps/static_template_view/models.py

-from django.db import models
-
 # Create your models here.

lms/djangoapps/staticbook/models.py

-from django.db import models
-
 # Create your models here.

lms/djangoapps/staticbook/views.py

 from django.contrib.auth.decorators import login_required
 from django.http import Http404
-from django.core.urlresolvers import reverse
 from mitxmako.shortcuts import render_to_response
 
 from courseware.access import has_access

lms/envs/common.py

@@ -305,7 +305,7 @@ COURSES_WITH_UNSAFE_CODE = []
 
 ############################ SIGNAL HANDLERS ################################
 # This is imported to register the exception signal handling that logs exceptions
-import monitoring.exceptions  # noqa
+import monitoring.exceptions  # noqa # pylint: disable=W0611
 
 ############################### DJANGO BUILT-INS ###############################
 # Change DEBUG/TEMPLATE_DEBUG in your environment settings files, not here

lms/envs/dev_edx4edx.py

@@ -18,7 +18,6 @@ if 'eecs1' in socket.gethostname():
     MITX_ROOT_URL = '/mitx2'
 
 from .common import *
-from logsettings import get_logger_config
 from .dev import *
 
 if 'eecs1' in socket.gethostname():

lms/envs/dev_ike.py

@@ -13,7 +13,6 @@ sessions. Assumes structure:
 # pylint: disable=W0401, W0614
 
 from .common import *
-from logsettings import get_logger_config
 from .dev import *
 import socket
 

lms/lib/comment_client/comment_client.py

+# Import other classes here so they can be imported from here.
+# pylint: disable=W0611
 from .comment import Comment
 from .thread import Thread
 from .user import User

lms/lib/perfstats/models.py

-from django.db import models
-
 # Create your models here.

lms/one_time_startup.py

-import logging
 from dogapi import dog_http_api, dog_stats_api
 from django.conf import settings
 from xmodule.modulestore.django import modulestore
 from request_cache.middleware import RequestCache
 
-from django.core.cache import get_cache, InvalidCacheBackendError
+from django.core.cache import get_cache
 
 cache = get_cache('mongo_metadata_inheritance')
 for store_name in settings.MODULESTORE:

lms/urls.py

@@ -3,7 +3,8 @@ from django.conf.urls import patterns, include, url
 from django.contrib import admin
 from django.conf.urls.static import static
 
-from . import one_time_startup
+# Not used, the work is done in the imported module.
+from . import one_time_startup      # pylint: disable=W0611
 
 import django.contrib.auth.views