Small bug fix causing crash when generating problem histogram.

2012-06-01 17:34:04 -04:00
parent 0ad31f556f
commit e24df47b0b
1 changed files with 1 additions and 0 deletions
--- a/djangoapps/courseware/module_render.py
+++ b/djangoapps/courseware/module_render.py
@@ -143,6 +143,7 @@ def render_x_module(user, request, xml_module, module_object_preload):

    # special extra information about each problem, only for users who are staff 
    if user.is_staff:
+        module_id = xml_module.get('id')
        histogram = grade_histogram(module_id)
        render_histogram = len(histogram) > 0
        content=content+render_to_string("staff_problem_info.html", {'xml':etree.tostring(xml_module),