cannot compile testXEDX

edxapp@precise64:/edx/OpenDSAX$ make testXEDX
python tools/configure.py --edx config/testX.json
Configuring OpenDSA, using config/testX.json

Validating config/testX.json

Writing files to /edx/OpenDSAX/Books/testX/

Generating index.rst

Processing...
Sorting
  Quicksort
Appendix
  Glossary
  Bibliography

Generating ToDo file...

Building textbook...
make[1]: Warning: File `Makefile' has modification time 6.1 s in the futuremake[1]: Entering directory `/edx/OpenDSAX/Books/testX'

sphinx-build -b html source oxl/
Making output directory...
Running Sphinx v1.1.3

Extension error:
Could not import extension rst2edx (exception: No module named xml)
make[1]: *** [html] Error 1
make[1]: Leaving directory `/edx/OpenDSAX/Books/testX'
Traceback (most recent call last):
  File "tools/configure.py", line 442, in <module>
    configure(args[0], options)
  File "tools/configure.py", line 416, in configure
    update_TOC(config.book_src_dir, config.book_dir + config.rel_book_output_path, module_chap_map)
  File "/edx/OpenDSAX/tools/postprocessor.py", line 140, in update_TOC
    update_index_html(dest_dir, sectnum)
  File "/edx/OpenDSAX/tools/postprocessor.py", line 51, in update_index_html
    with open(dest_dir + 'index.xml', 'r') as index_html_file:
IOError: [Errno 2] No such file or directory: u'/edx/OpenDSAX/Books/testX/oxl/index.xml'
make: *** [testXEDX] Error 1
edxapp@precise64:/edx/OpenDSAX$