Fix simplifiable-range pylint warnings.

cms/djangoapps/contentstore/tests/test_course_listing.py

@@ -273,11 +273,11 @@ class TestCourseListing(ModuleStoreTestCase):
         num_courses_to_create = 3
         courses = [
             self._create_course_with_access_groups(CourseLocator('Org', 'CreatedCourse' + str(num), 'Run'), self.user)
-            for num in range(0, num_courses_to_create)
+            for num in range(num_courses_to_create)
         ]
         courses_in_progress = [
             self._create_course_with_access_groups(CourseLocator('Org', 'InProgressCourse' + str(num), 'Run'), self.user)
-            for num in range(0, num_courses_to_create)
+            for num in range(num_courses_to_create)
         ]
 
         # simulate initiation of course actions

cms/djangoapps/contentstore/tests/test_courseware_index.py

@@ -58,7 +58,7 @@ COURSE_CHILD_STRUCTURE = {
 def create_children(store, parent, category, load_factor):
     """ create load_factor children within the given parent; recursively call to insert children when appropriate """
     created_count = 0
-    for child_index in range(0, load_factor):
+    for child_index in range(load_factor):
         child_object = ItemFactory.create(
             parent_location=parent.location,
             category=category,

cms/djangoapps/contentstore/tests/test_libraries.py

@@ -144,7 +144,7 @@ class TestLibraries(LibraryTestCase):
         """
         Test the 'max_count' property of LibraryContent blocks.
         """
-        for _ in range(0, num_to_create):
+        for _ in range(num_to_create):
             self._add_simple_content_block()
 
         with modulestore().default_store(ModuleStoreEnum.Type.split):
@@ -168,7 +168,7 @@ class TestLibraries(LibraryTestCase):
         Test that the same student will always see the same selected child block
         """
         # Create many blocks in the library and add them to a course:
-        for num in range(0, 8):
+        for num in range(8):
             ItemFactory.create(
                 data="This is #{}".format(num + 1),
                 category="html", parent_location=self.library.location, user_id=self.user.id, publish_item=False
@@ -202,7 +202,7 @@ class TestLibraries(LibraryTestCase):
             """
             Confirm that chosen_child is still the child seen by the test student
             """
-            for _ in range(0, 6):  # Repeat many times b/c blocks are randomized
+            for _ in range(6):  # Repeat many times b/c blocks are randomized
                 lc_block = modulestore().get_item(lc_block_key)  # Reload block from the database
                 self._bind_module(lc_block)
                 current_child = get_child_of_lc_block(lc_block)

cms/djangoapps/contentstore/views/tests/test_group_configurations.py

@@ -124,7 +124,7 @@ class HelperMethods(object):
                 i, 'Name ' + str(i), 'Description ' + str(i),
                 [Group(0, 'Group A'), Group(1, 'Group B'), Group(2, 'Group C')],
                 scheme=None, scheme_id=scheme_id
-            ) for i in xrange(0, count)
+            ) for i in xrange(count)
         ]
         self.course.user_partitions = partitions
         self.save_course()

cms/djangoapps/contentstore/views/tests/test_library.py

@@ -51,7 +51,7 @@ class UnitTestLibraries(ModuleStoreTestCase):
         Test that we can GET /library/ to list all libraries visible to the current user.
         """
         # Create some more libraries
-        libraries = [LibraryFactory.create() for _ in range(0, 3)]
+        libraries = [LibraryFactory.create() for _ in range(3)]
         lib_dict = dict([(lib.location.library_key, lib) for lib in libraries])
 
         response = self.client.get_json(LIBRARY_REST_URL)