diff --git a/common/djangoapps/track/views/__init__.py b/common/djangoapps/track/views/__init__.py
index 6b0bd06357..d36a3d8eca 100644
--- a/common/djangoapps/track/views/__init__.py
+++ b/common/djangoapps/track/views/__init__.py
@@ -121,7 +121,7 @@ def server_track(request, event_type, event, page=None):
         "event_source": "server",
         "event_type": event_type,
         "event": event,
-        "agent": _get_request_header(request, 'HTTP_USER_AGENT').decode('latin1'),
+        "agent": _get_request_header(request, 'HTTP_USER_AGENT').encode().decode('latin1'),
         "page": page,
         "time": datetime.datetime.utcnow().replace(tzinfo=pytz.utc),
         "host": _get_request_header(request, 'SERVER_NAME'),
diff --git a/lms/djangoapps/bulk_email/tests/test_course_optout.py b/lms/djangoapps/bulk_email/tests/test_course_optout.py
index 225ae65cac..8407889567 100644
--- a/lms/djangoapps/bulk_email/tests/test_course_optout.py
+++ b/lms/djangoapps/bulk_email/tests/test_course_optout.py
@@ -57,7 +57,7 @@ class TestOptoutCourseEmails(ModuleStoreTestCase):
         response = self.client.get(url)
         email_section = '<div class="vert-left send-email" id="section-send-email">'
         # If this fails, it is likely because BulkEmailFlag.is_enabled() is set to False
-        self.assertIn(email_section, response.content)
+        self.assertIn(email_section, response.content.decode('utf-8'))
 
     def test_optout_course(self):
         """
diff --git a/lms/djangoapps/instructor/views/instructor_dashboard.py b/lms/djangoapps/instructor/views/instructor_dashboard.py
index 2fb8489fe0..0c596b73bf 100644
--- a/lms/djangoapps/instructor/views/instructor_dashboard.py
+++ b/lms/djangoapps/instructor/views/instructor_dashboard.py
@@ -739,7 +739,7 @@ def _section_send_email(course, access):
         usage_id_serializer=lambda usage_id: quote_slashes(six.text_type(usage_id)),
         # Generate a new request_token here at random, because this module isn't connected to any other
         # xblock rendering.
-        request_token=uuid.uuid1().get_hex()
+        request_token=uuid.uuid1().hex
     )
     cohorts = []
     if is_course_cohorted(course_key):
diff --git a/lms/djangoapps/instructor_task/api.py b/lms/djangoapps/instructor_task/api.py
index b587aa4a1a..52c06bb68a 100644
--- a/lms/djangoapps/instructor_task/api.py
+++ b/lms/djangoapps/instructor_task/api.py
@@ -320,7 +320,7 @@ def submit_bulk_course_email(request, course_key, email_id):
     task_input = {'email_id': email_id, 'to_option': targets}
     task_key_stub = str(email_id)
     # create the key value by using MD5 hash:
-    task_key = hashlib.md5(task_key_stub).hexdigest()
+    task_key = hashlib.md5(task_key_stub.encode('utf-8')).hexdigest()
     return submit_task(request, task_type, task_class, course_key, task_input, task_key)
 
 
diff --git a/lms/djangoapps/instructor_task/api_helper.py b/lms/djangoapps/instructor_task/api_helper.py
index 77dba670be..10afaef641 100644
--- a/lms/djangoapps/instructor_task/api_helper.py
+++ b/lms/djangoapps/instructor_task/api_helper.py
@@ -140,7 +140,7 @@ def _get_xmodule_instance_args(request, task_id):
     request_info = {'username': request.user.username,
                     'user_id': request.user.id,
                     'ip': request.META['REMOTE_ADDR'],
-                    'agent': request.META.get('HTTP_USER_AGENT', '').decode('latin1'),
+                    'agent': request.META.get('HTTP_USER_AGENT', '').encode().decode('latin1'),
                     'host': request.META['SERVER_NAME'],
                     }
 
diff --git a/lms/templates/experiments/user_metadata.html b/lms/templates/experiments/user_metadata.html
index 00a1a3daa4..d4b0ba0963 100644
--- a/lms/templates/experiments/user_metadata.html
+++ b/lms/templates/experiments/user_metadata.html
@@ -59,7 +59,7 @@ if course_key:
         }
 
         if not course_id:
-            user_metadata['course_id'] = unicode(course_key)
+            user_metadata['course_id'] = six.text_type(course_key)
     elif isinstance(course_key, six.string_types):
         user_metadata['course_id'] = course_key