Only set the default etree parser options in the module that is starting the xml parsing

cms/djangoapps/contentstore/management/commands/import.py

@@ -4,14 +4,10 @@
 
 from django.core.management.base import BaseCommand, CommandError
 from keystore.django import keystore
-from lxml import etree
 from keystore.xml import XMLModuleStore
 
 unnamed_modules = 0
 
-etree.set_default_parser(etree.XMLParser(dtd_validation=False, load_dtd=False,
-                                         remove_comments=True))
-
 
 class Command(BaseCommand):
     help = \

lms/djangoapps/courseware/views.py

@@ -12,8 +12,6 @@ from mitxmako.shortcuts import render_to_response, render_to_string
 from django_future.csrf import ensure_csrf_cookie
 from django.views.decorators.cache import cache_control
 
-from lxml import etree
-
 from module_render import toc_for_course, get_module, get_section
 from models import StudentModuleCache
 from student.models import UserProfile
@@ -26,9 +24,6 @@ from courseware import grades
 
 log = logging.getLogger("mitx.courseware")
 
-etree.set_default_parser(etree.XMLParser(dtd_validation=False, load_dtd=False,
-                                         remove_comments=True))
-
 template_imports = {'urllib': urllib}