diff --git a/common/djangoapps/third_party_auth/tests/specs/test_google.py b/common/djangoapps/third_party_auth/tests/specs/test_google.py
index 9562c0a9ac..fa6ab9beb1 100644
--- a/common/djangoapps/third_party_auth/tests/specs/test_google.py
+++ b/common/djangoapps/third_party_auth/tests/specs/test_google.py
@@ -96,7 +96,11 @@ class GoogleOauth2IntegrationTest(base.Oauth2IntegrationTest):
         })
         # Check the hash that is used to confirm the user's data in the GET parameter is correct
         secret_key = settings.THIRD_PARTY_AUTH_CUSTOM_AUTH_FORMS['custom1']['secret_key']
-        hmac_expected = hmac.new(secret_key.encode('utf-8'), msg=data_decoded.encode('utf-8'), digestmod=hashlib.sha256).digest()
+        hmac_expected = hmac.new(
+            secret_key.encode('utf-8'),
+            msg=data_decoded.encode('utf-8'),
+            digestmod=hashlib.sha256
+        ).digest()
         self.assertEqual(base64.b64decode(response.context['hmac']), hmac_expected)
 
         # Now our custom registration form creates or logs in the user:
diff --git a/lms/djangoapps/commerce/tests/test_views.py b/lms/djangoapps/commerce/tests/test_views.py
index 32684badba..53afd0eca5 100644
--- a/lms/djangoapps/commerce/tests/test_views.py
+++ b/lms/djangoapps/commerce/tests/test_views.py
@@ -123,8 +123,14 @@ class ReceiptViewTests(UserMixin, ModuleStoreTestCase):
 
         user_message = "There was a problem with this transaction"
         system_message = "A system error occurred while processing your payment"
-        self.assertRegexpMatches(response.content.decode('utf-8'), user_message if is_user_message_expected else system_message)
-        self.assertNotRegexpMatches(response.content.decode('utf-8'), user_message if not is_user_message_expected else system_message)
+        self.assertRegexpMatches(
+            response.content.decode('utf-8'),
+            user_message if is_user_message_expected else system_message
+        )
+        self.assertNotRegexpMatches(
+            response.content.decode('utf-8'),
+            user_message if not is_user_message_expected else system_message
+        )
 
     @with_comprehensive_theme("edx.org")
     def test_hide_nav_header(self):
diff --git a/lms/djangoapps/courseware/tests/test_video_mongo.py b/lms/djangoapps/courseware/tests/test_video_mongo.py
index b6639beaa7..34bb6f6d0a 100644
--- a/lms/djangoapps/courseware/tests/test_video_mongo.py
+++ b/lms/djangoapps/courseware/tests/test_video_mongo.py
@@ -1310,7 +1310,7 @@ class TestEditorSavedMethod(BaseTestVideoXBlock):
         self.MODULESTORE = MODULESTORES[default_store]  # pylint: disable=invalid-name
         self.initialize_block(metadata=self.metadata)
         item = self.store.get_item(self.item_descriptor.location)
-        with open(self.file_path, "rb") as myfile:
+        with open(self.file_path, "rb") as myfile:  # pylint: disable=open-builtin
             save_to_store(myfile.read(), self.file_name, 'text/sjson', item.location)
         item.sub = "3_yD_cEKoCk"
         # subs_video.srt.sjson does not exist before calling editor_saved function
@@ -1330,7 +1330,7 @@ class TestEditorSavedMethod(BaseTestVideoXBlock):
         self.MODULESTORE = MODULESTORES[default_store]
         self.initialize_block(metadata=self.metadata)
         item = self.store.get_item(self.item_descriptor.location)
-        with open(self.file_path, "rb") as myfile:
+        with open(self.file_path, "rb") as myfile:  # pylint: disable=open-builtin
             save_to_store(myfile.read(), self.file_name, 'text/sjson', item.location)
             save_to_store(myfile.read(), 'subs_video.srt.sjson', 'text/sjson', item.location)
         item.sub = "3_yD_cEKoCk"
diff --git a/openedx/core/djangoapps/user_api/accounts/tests/test_image_helpers.py b/openedx/core/djangoapps/user_api/accounts/tests/test_image_helpers.py
index bb867c952b..97d95576f1 100644
--- a/openedx/core/djangoapps/user_api/accounts/tests/test_image_helpers.py
+++ b/openedx/core/djangoapps/user_api/accounts/tests/test_image_helpers.py
@@ -12,6 +12,7 @@ from pytz import UTC
 
 from openedx.core.djangolib.testing.utils import skip_unless_lms
 from student.tests.factories import UserFactory
+from six import text_type
 
 from ..image_helpers import get_profile_image_urls_for_user
 
@@ -73,7 +74,8 @@ class ProfileImageUrlTestCase(TestCase):
         """
         self.user.profile.profile_image_uploaded_at = TEST_PROFILE_IMAGE_UPLOAD_DT
         self.user.profile.save()
-        expected_name = hashlib.md5('secret' + self.user.username.encode('utf-8')).hexdigest()
+        expected_name = hashlib.md5(
+            'secret' + text_type(self.user.username).encode('utf-8')).hexdigest()
         actual_urls = get_profile_image_urls_for_user(self.user)
         self.verify_urls(actual_urls, expected_name, is_default=False)