Fix PEP8: E303 too many blank lines

cms/djangoapps/contentstore/features/common.py

@@ -333,7 +333,6 @@ def get_codemirror_value(index=0, find_prefix="$"):
     )
 
 
-
 def attach_file(filename, sub_path):
     path = os.path.join(TEST_ROOT, sub_path, filename)
     world.browser.execute_script("$('input.file-input').css('display', 'block')")

cms/djangoapps/contentstore/tests/test_transcripts_utils.py

@@ -161,7 +161,6 @@ class TestDownloadYoutubeSubs(ModuleStoreTestCase):
     number = '999'
     display_name = 'Test course'
 
-
     def clear_sub_content(self, subs_id):
         """
         Remove, if subtitle content exists.
@@ -490,7 +489,6 @@ class TestTranscript(unittest.TestCase):
 
         """)
 
-
         self.sjson_transcript = textwrap.dedent("""\
             {
                 "start": [

cms/djangoapps/contentstore/views/user.py

@@ -100,7 +100,6 @@ def _course_team_user(request, course_key, email):
         }
         return JsonResponse(msg, 400)
 
-
     try:
         user = User.objects.get(email=email)
     except Exception:

common/djangoapps/course_modes/tests/test_views.py

@@ -150,7 +150,6 @@ class CourseModeViewTest(ModuleStoreTestCase):
         response = self.client.get(choose_track_url)
         self.assertRedirects(response, reverse('dashboard'))
 
-
     # Mapping of course modes to the POST parameters sent
     # when the user chooses that mode.
     POST_PARAMS_FOR_COURSE_MODE = {

common/djangoapps/dark_lang/tests.py

@@ -144,7 +144,6 @@ class DarkLangMiddlewareTests(TestCase):
             self.process_request(accept='rel-ter;q=1.0, rel;q=0.5')
         )
 
-
     def assertSessionLangEquals(self, value, request):
         """
         Assert that the 'django_language' set in request.session is equal to value

common/djangoapps/edxmako/makoloader.py

@@ -34,7 +34,6 @@ class MakoLoader(object):
 
         self.module_directory = module_directory
 
-
     def __call__(self, template_name, template_dirs=None):
         return self.load_template(template_name, template_dirs)
 

common/djangoapps/status/tests.py

@@ -36,7 +36,6 @@ class TestStatus(TestCase):
         "edX/toy/2012_Fall" : "A toy story"
         }"""
 
-
     # json to use, expected results for course=None (e.g. homepage),
     # for toy course, for full course.  Note that get_site_status_msg
     # is supposed to return global message even if course=None.  The

common/djangoapps/student/migrations/0041_add_dashboard_config.py

@@ -18,12 +18,10 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('student', ['DashboardConfiguration'])
 
-
     def backwards(self, orm):
         # Deleting model 'DashboardConfiguration'
         db.delete_table('student_dashboardconfiguration')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

common/djangoapps/terrain/stubs/ora.py

@@ -300,7 +300,6 @@ class StubOraHandler(StubHttpRequestHandler):
         """
         self._success_response({'problem_list': self.server.problem_list})
 
-
     @require_params('POST', 'grader_id', 'location', 'submission_id', 'score', 'feedback', 'submission_key')
     def _save_grade(self):
         """
@@ -421,7 +420,6 @@ class StubOraHandler(StubHttpRequestHandler):
                 )
                 self.send_response(400)
 
-
     def _student(self, method, key='student_id'):
         """
         Return the `StudentState` instance for the student ID given

common/lib/capa/capa/correctmap.py

@@ -165,7 +165,6 @@ class CorrectMap(object):
         self.cmap.update(other_cmap.get_dict())
         self.set_overall_message(other_cmap.get_overall_message())
 
-
     def set_overall_message(self, message_str):
         """ Set a message that applies to the question as a whole,
             rather than to individual inputs. """

common/lib/capa/capa/customrender.py

@@ -50,7 +50,6 @@ class MathRenderer(object):
             mathstr = mathstr.replace(r'\displaystyle', '')
         self.mathstr = mathstr.replace('mathjaxinline]', '%s]' % mtag)
 
-
     def get_html(self):
         """
         Return the contents of this tag, rendered to html, as an etree element.

common/lib/capa/capa/inputtypes.py

@@ -839,7 +839,6 @@ class MatlabInput(CodeInput):
                     'No response from Xqueue within {xqueue_timeout} seconds. Aborted.'
                 ).format(xqueue_timeout=XQUEUE_TIMEOUT)
 
-
     def handle_ajax(self, dispatch, data):
         """
         Handle AJAX calls directed to this input

common/lib/capa/capa/tests/test_inputtypes.py

@@ -604,7 +604,6 @@ class MatlabTest(unittest.TestCase):
         the_input = self.input_class(test_capa_system(), elt, state)
         self.assertEqual(the_input.status, 'queued')
 
-
     @patch('capa.inputtypes.time.time', return_value=45)
     def test_matlab_response_timeout_exceeded(self, time):
 

common/lib/capa/capa/tests/test_responsetypes.py

@@ -606,7 +606,6 @@ class StringResponseTest(ResponseTest):
         self.assert_grade(problem, u"î", "incorrect")
         self.assert_grade(problem, u"o", "incorrect")
 
-
     def test_backslash_and_unicode_regexps(self):
         """
         Test some special cases of [unicode] regexps.
@@ -1042,8 +1041,6 @@ class CodeResponseTest(ResponseTest):
                 self.assertEquals(output[answer_id]['msg'], u'Invalid grader reply. Please contact the course staff.')
 
 
-
-
 class ChoiceResponseTest(ResponseTest):
     from capa.tests.response_xml_factory import ChoiceResponseXMLFactory
     xml_factory_class = ChoiceResponseXMLFactory

common/lib/capa/capa/tests/test_util.py

@@ -82,7 +82,6 @@ class UtilTest(unittest.TestCase):
         result = compare_with_tolerance(infinity, infinity, '1.0', False)
         self.assertTrue(result)
 
-
     def test_sanitize_html(self):
         """
         Test for html sanitization with bleach.

common/lib/chem/chem/chemcalc.py

@@ -192,7 +192,6 @@ def _render_to_html(tree):
             return children.replace(' ', '')
 
 
-
 def render_to_html(eq):
     '''
     Render a chemical equation string to html.
@@ -231,7 +230,6 @@ def render_to_html(eq):
         # only one side
         return spanify(render_expression(left))
 
-
     return spanify(render_expression(left) + render_arrow(arrow) + render_expression(right))
 
 

common/lib/chem/chem/tests.py

@@ -64,7 +64,6 @@ class Test_Compare_Equations(unittest.TestCase):
         self.assertFalse(chemical_equations_equal('H2O( -> H2O2',
                                                   'H2O -> H2O2'))
 
-
         self.assertFalse(chemical_equations_equal('H2 + O2 ==> H2O2',   # strange arrow
                                                   '2O2 + 2H2 -> 2H2O2'))
 

common/lib/symmath/symmath/formula.py

@@ -257,7 +257,6 @@ class formula(object):
 
         fix_pmathml(xml)
 
-
         def fix_hat(xml):
             """
             hat i is turned into <mover><mi>i</mi><mo>^</mo></mover> ; mangle

common/lib/xmodule/xmodule/exceptions.py

@@ -48,7 +48,6 @@ class HeartbeatFailure(Exception):
     def __unicode__(self, *args, **kwargs):
         return self.message
 
-
     def __init__(self, msg, service):
         """
         In addition to a msg, provide the name of the service.

common/lib/xmodule/xmodule/lti_module.py

@@ -752,7 +752,6 @@ oauth_consumer_key="", oauth_signature="frVp4JuvT1mVXlxktiAUjQ7%2F1cw%3D"'}
         log.debug("[LTI]: Incorrect action.")
         return Response(response_xml_template.format(**unsupported_values), content_type='application/xml')
 
-
     @classmethod
     def parse_grade_xml_body(cls, body):
         """

common/lib/xmodule/xmodule/modulestore/split_mongo/__init__.py

@@ -14,7 +14,6 @@ class BlockKey(namedtuple('BlockKey', 'type id')):
     def __new__(cls, type, id):
         return super(BlockKey, cls).__new__(cls, type, id)
 
-
     @classmethod
     @contract(usage_key=BlockUsageLocator)
     def from_usage_key(cls, usage_key):

common/lib/xmodule/xmodule/modulestore/split_mongo/split_mongo_kvs.py

@@ -38,7 +38,6 @@ class SplitMongoKVS(InheritanceKeyValueStore):
 
         self.parent = parent
 
-
     def get(self, key):
         # load the field, if needed
         if key.field_name not in self._fields:

common/lib/xmodule/xmodule/modulestore/tests/test_modulestore_settings.py

@@ -115,7 +115,6 @@ class ModuleStoreSettingsMigration(TestCase):
         }
     }
 
-
     def assertStoreValuesEqual(self, store_setting1, store_setting2):
         """
         Tests whether the fields in the given store_settings are equal.

common/lib/xmodule/xmodule/modulestore/xml_exporter.py

@@ -188,7 +188,6 @@ def adapt_references(subtree, destination_course_key, export_fs):
                 )
 
 
-
 def _export_field_content(xblock_item, item_dir):
     """
     Export all fields related to 'xblock_item' other than 'metadata' and 'data' to json file in provided directory

common/lib/xmodule/xmodule/randomize_module.py

@@ -77,7 +77,6 @@ class RandomizeModule(RandomizeFields, XModule):
 
         return [self.child_descriptor]
 
-
     def student_view(self, context):
         if self.child is None:
             # raise error instead?  In fact, could complain on descriptor load...
@@ -95,7 +94,6 @@ class RandomizeDescriptor(RandomizeFields, SequenceDescriptor):
 
     filename_extension = "xml"
 
-
     def definition_to_xml(self, resource_fs):
 
         xml_object = etree.Element('randomize')

common/lib/xmodule/xmodule/template_module.py

@@ -60,7 +60,6 @@ class CustomTagDescriptor(RawDescriptor):
         template = Template(template_module_data)
         return template.render(**params)
 
-
     @property
     def rendered_html(self):
         return self.render_template(self.system, self.data)

common/lib/xmodule/xmodule/tests/test_bulk_assertions.py

@@ -22,7 +22,6 @@ class TestBulkAssertionTestCase(BulkAssertionTest):
     def test_passing_asserts_passthrough(self, assertion, *args):
         getattr(self, assertion)(*args)
 
-
     @ddt.data(
         ('assertTrue', False),
         ('assertFalse', True),

common/lib/xmodule/xmodule/tests/test_capa_module.py

@@ -1395,7 +1395,6 @@ class CapaModuleTest(unittest.TestCase):
         Run the test for each possible rerandomize value
         """
 
-
         def _reset_and_get_seed(module):
             """
             Reset the XModule and return the module's seed

common/lib/xmodule/xmodule/tests/test_import.py

@@ -150,7 +150,6 @@ class ImportTestCase(BaseCourseTestCase):
 
         self.assertNotEqual(descriptor1.location, descriptor2.location)
 
-
     def test_reimport(self):
         '''Make sure an already-exported error xml tag loads properly'''
 

common/lib/xmodule/xmodule/x_module.py

@@ -211,7 +211,6 @@ class XModuleMixin(XBlockMixin):
     def runtime(self, value):
         self._runtime = value
 
-
     @property
     def system(self):
         """
@@ -719,7 +718,6 @@ class XModuleDescriptor(XModuleMixin, HTMLSnippet, ResourceTemplates, XBlock):
     entry_point = "xmodule.v1"
     module_class = XModule
 
-
     # VS[compat].  Backwards compatibility code that can go away after
     # importing 2012 courses.
     # A set of metadata key conversions that we want to make
@@ -835,7 +833,6 @@ class XModuleDescriptor(XModuleMixin, HTMLSnippet, ResourceTemplates, XBlock):
         """
         pass
 
-
     # =============================== BUILTIN METHODS ==========================
     def __eq__(self, other):
         return (self.scope_ids == other.scope_ids and

common/test/acceptance/tests/test_annotatable.py

@@ -29,7 +29,6 @@ class AnnotatableProblemTest(UniqueCourseTest):
     USERNAME = "STAFF_TESTER"
     EMAIL = "johndoe@example.com"
 
-
     DATA_TEMPLATE = dedent("""\
         <annotatable>
             <instructions>Instruction text</instructions>

common/xml_cleanup.py

@@ -86,7 +86,6 @@ def cleanup(filepath, remove_meta):
                 if attr in attrs:
                     del attrs[attr]
 
-
     with open(filepath, "w") as f:
         f.write(etree.tostring(xml))
 

docs/en_us/developers/source/conf.py

@@ -10,7 +10,6 @@ from path import path
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 
 
-
 sys.path.append('../../../../')
 
 from docs.shared.conf import *
@@ -188,7 +187,6 @@ def strip_tags(html):
     return s.get_data()
 
 
-
 def process_docstring(app, what, name, obj, options, lines):
     """Autodoc django models"""
 

docs/en_us/platform_api/source/conf.py

@@ -179,7 +179,6 @@ def strip_tags(html):
     return s.get_data()
 
 
-
 def process_docstring(app, what, name, obj, options, lines):
     """Autodoc django models"""
 

docs/shared/conf.py

@@ -36,7 +36,6 @@ def add_base(paths):
     return [os.path.join(BASEDIR, x) for x in paths]
 
 
-
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.

lms/djangoapps/bulk_email/migrations/0010_auto__chg_field_optout_course_id__add_field_courseemail_template_name_.py

@@ -21,7 +21,6 @@ class Migration(SchemaMigration):
                       self.gf('django.db.models.fields.CharField')(max_length=255, null=True),
                       keep_default=False)
 
-
         # Changing field 'CourseEmail.course_id'
         db.alter_column('bulk_email_courseemail', 'course_id', self.gf('xmodule_django.models.CourseKeyField')(max_length=255))
         # Adding field 'CourseEmailTemplate.name'
@@ -29,7 +28,6 @@ class Migration(SchemaMigration):
                       self.gf('django.db.models.fields.CharField')(max_length=255, unique=True, null=True),
                       keep_default=False)
 
-
         # Changing field 'CourseAuthorization.course_id'
         db.alter_column('bulk_email_courseauthorization', 'course_id', self.gf('xmodule_django.models.CourseKeyField')(unique=True, max_length=255))
 
@@ -43,13 +41,11 @@ class Migration(SchemaMigration):
         # Deleting field 'CourseEmail.from_addr'
         db.delete_column('bulk_email_courseemail', 'from_addr')
 
-
         # Changing field 'CourseEmail.course_id'
         db.alter_column('bulk_email_courseemail', 'course_id', self.gf('django.db.models.fields.CharField')(max_length=255))
         # Deleting field 'CourseEmailTemplate.name'
         db.delete_column('bulk_email_courseemailtemplate', 'name')
 
-
         # Changing field 'CourseAuthorization.course_id'
         db.alter_column('bulk_email_courseauthorization', 'course_id', self.gf('django.db.models.fields.CharField')(max_length=255, unique=True))
 

lms/djangoapps/courseware/tests/test_model_data.py

@@ -238,7 +238,6 @@ class StorageTestBase(object):
         self.field_data_cache = FieldDataCache([self.mock_descriptor], course_id, self.user)
         self.kvs = DjangoKeyValueStore(self.field_data_cache)
 
-
     def test_set_and_get_existing_field(self):
         self.kvs.set(self.key_factory('existing_field'), 'test_value')
         self.assertEquals('test_value', self.kvs.get(self.key_factory('existing_field')))

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

@@ -98,7 +98,6 @@ class Command(BaseCommand):
 
             name = raw_input('Full name: ')
 
-
         user = User(username=uname, email=email, is_active=True)
         user.set_password(password)
         try:

lms/djangoapps/lms_migration/migrate.py

@@ -147,7 +147,6 @@ def manage_modulestores(request, reload_dir=None, commit_id=None):
             else:
                 html += '<ul><li>%s</li></ul>' % escape(data)
 
-
     #----------------------------------------
 
     html += '<hr width="100%"/>'

lms/djangoapps/notification_prefs/views.py

@@ -144,7 +144,6 @@ def ajax_status(request):
     if not request.user.is_authenticated():
         raise PermissionDenied
 
-
     qs = UserPreference.objects.filter(
         user=request.user,
         key=NOTIFICATION_PREF_KEY

lms/djangoapps/shoppingcart/migrations/0018_auto__add_donation.py

@@ -16,12 +16,10 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('shoppingcart', ['Donation'])
 
-
     def backwards(self, orm):
         # Deleting model 'Donation'
         db.delete_table('shoppingcart_donation')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/shoppingcart/migrations/0019_auto__add_donationconfiguration.py

@@ -17,12 +17,10 @@ class Migration(SchemaMigration):
         ))
         db.send_create_signal('shoppingcart', ['DonationConfiguration'])
 
-
     def backwards(self, orm):
         # Deleting model 'DonationConfiguration'
         db.delete_table('shoppingcart_donationconfiguration')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/shoppingcart/migrations/0020_auto__add_courseregcodeitem__add_courseregcodeitemannotation__add_fiel.py

@@ -59,7 +59,6 @@ class Migration(SchemaMigration):
                       self.gf('django.db.models.fields.CharField')(default='personal', max_length=32),
                       keep_default=False)
 
-
     def backwards(self, orm):
         # Deleting model 'CourseRegCodeItem'
         db.delete_table('shoppingcart_courseregcodeitem')
@@ -88,7 +87,6 @@ class Migration(SchemaMigration):
         # Deleting field 'Order.order_type'
         db.delete_column('shoppingcart_order', 'order_type')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/shoppingcart/migrations/0021_auto__add_field_orderitem_created__add_field_orderitem_modified.py

@@ -18,7 +18,6 @@ class Migration(SchemaMigration):
                       self.gf('model_utils.fields.AutoLastModifiedField')(default=datetime.datetime.now),
                       keep_default=False)
 
-
     def backwards(self, orm):
         # Deleting field 'OrderItem.created'
         db.delete_column('shoppingcart_orderitem', 'created')
@@ -26,7 +25,6 @@ class Migration(SchemaMigration):
         # Deleting field 'OrderItem.modified'
         db.delete_column('shoppingcart_orderitem', 'modified')
 
-
     models = {
         'auth.group': {
             'Meta': {'object_name': 'Group'},

lms/djangoapps/shoppingcart/processors/tests/test_CyberSource.py

@@ -263,7 +263,6 @@ class CyberSourceTests(TestCase):
         # finally, tests an accepted order
         self.assertTrue(payment_accepted(params)['accepted'])
 
-
     @patch('shoppingcart.processors.CyberSource.render_to_string', autospec=True)
     def test_render_purchase_form_html(self, render):
         """

lms/djangoapps/verify_student/models.py

@@ -310,7 +310,6 @@ class PhotoVerification(StatusModel):
 
         return (status, error_msg)
 
-
     def parsed_error_msg(self):
         """
         Sometimes, the error message we've received needs to be parsed into
@@ -777,7 +776,6 @@ class SoftwareSecurePhotoVerification(PhotoVerification):
 
         return header_txt + "\n\n" + body_txt
 
-
     def send_request(self):
         """
         Assembles a submission to Software Secure and sends it via HTTPS.

pavelib/paver_tests/test_paver_get_quality_reports.py

@@ -9,7 +9,6 @@ import paver.easy
 from paver.easy import BuildFailure
 
 
-
 class TestGetReportFiles(unittest.TestCase):
     """
     Ensure only the report files we want are returned as part of run_quality.

pavelib/utils/test/suites/acceptance_suite.py

@@ -95,7 +95,6 @@ class AcceptanceTestSuite(TestSuite):
         if not self.fasttest:
             self._setup_acceptance_db()
 
-
     def _setup_acceptance_db(self):
         """
         TODO: Improve the following