"AttributeError: hdf" when trying to access wikitopdf admin panel

[omega_canta@…]

When i try to enter "wikitopdf" option in admin panel, i get this error:

Trac detected an internal error:
AttributeError: hdf

(...)

Python Traceback
Most recent call last:

    File "/usr/local/lib/python2.6/dist-packages/Trac-1.0-py2.6.egg/trac/web/main.py", line 497, in _dispatch_request
    File "/usr/local/lib/python2.6/dist-packages/Trac-1.0-py2.6.egg/trac/web/main.py", line 214, in dispatch
    File "/usr/local/lib/python2.6/dist-packages/Trac-1.0-py2.6.egg/trac/admin/web_ui.py", line 130, in process_request
    File "/usr/local/lib/python2.6/dist-packages/TracWikiToPdfPlugin-2.3.1dev-py2.6.egg/wikitopdf/web_ui.py", line 81, in process_admin_request 


(...)


System Information:

User Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:18.0) Gecko/20100101 Firefox/18.0
Trac 	1.0
Trac 	1.0
Genshi 	0.6 (with speedups)
mod_python 	3.3.1
Pygments 	1.3.1
pysqlite 	2.4.1
Python 	2.6.6 (r266:84292, Dec 27 2010, 00:18:12) [GCC 4.4.5]
Python 	2.6.6 (r266:84292, Dec 27 2010, 00:18:12) [GCC 4.4.5]
pytz 	2010b
pytz 	2010b
setuptools 	0.6
setuptools 	0.6
SQLite 	3.7.3
Subversion 	1.6.12 (r955767)
jQuery	1.7.2
Enabled Plugins:
OdtExportPlugin 	0.6 	/usr/local/lib/python2.6/dist-packages/OdtExportPlugin-0.6-py2.6.egg
TracWikiToPdfPlugin 	2.3.1dev 	/usr/local/lib/python2.6/dist-packages/TracWikiToPdfPlugin-2.3.1dev-py2.6.egg

It's a Debian server, with Python 2.6.6 and Trac 1.0. The export functionality works fine, and i was trying to export multiple combined pages. However, the error is there before any option appears.

[Ryan J Ollos]

This is due to #6243.