Encode the name on the generated certificate in log messages as well as the name…

Encode the name on the generated certificate in log messages as well as the name currently held by the user

djangoapps/certificates/views.py

@@ -122,7 +122,7 @@ def generate_certificate(user, grade):
                          "{gen_name} but current name is {user_name} (user id is "
                          "{userid})! The download URLs were {graded_dl_url} and "
                          "{ungraded_dl_url}".format(
-                             gen_name=generated_certificate.name,
+                             gen_name=generated_certificate.name.encode('utf-8'),
                              user_name=user_name.encode('utf-8'),
                              graded_dl_url=generated_certificate.graded_download_url,
                              ungraded_dl_url=generated_certificate.download_url,