Merge pull request #7129 from edx/django-upgrade/spelling-errors

minor fixes found from the django-upgrade work.

common/djangoapps/student/tests/test_password_history.py

@@ -89,7 +89,7 @@ class TestPasswordHistory(TestCase):
 
         self.assertTrue(PasswordHistory.is_allowable_password_reuse(staff, "test"))
 
-    @override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.PBKDF2PasswordHasher'))
+    @override_settings(PASSWORD_HASHERS=('django.contrib.auth.hashers.PBKDF2PasswordHasher',))
     @patch.dict("django.conf.settings.ADVANCED_SECURITY_CONFIG", {'MIN_DIFFERENT_STAFF_PASSWORDS_BEFORE_REUSE': 2})
     @patch.dict("django.conf.settings.ADVANCED_SECURITY_CONFIG", {'MIN_DIFFERENT_STUDENT_PASSWORDS_BEFORE_REUSE': 1})
     def test_pbkdf2_sha256_password_reuse(self):

lms/djangoapps/dashboard/management/commands/git_add_course.py

@@ -41,7 +41,7 @@ class Command(BaseCommand):
 
         if len(args) > 3:
             raise CommandError('Expected no more than three '
-                               'arguments; recieved {0}'.format(len(args)))
+                               'arguments; received {0}'.format(len(args)))
 
         rdir_arg = None
         branch = None