Patch by adin, see

https://laconsigna.wordpress.com/2010/11/13/fixing-textext-on-inkscape-0-48/

--- textext.py	2008-10-04 13:46:02.000000000 +0300

+++ textext.py	2012-11-09 20:37:00.000000000 +0200

@@ -52,7 +52,7 @@

 sys.path.append(os.path.dirname(__file__))

 import inkex

-import os, sys, tempfile, traceback, glob, re, md5, copy

+import os, sys, tempfile, traceback, glob, re, hashlib, copy

 from lxml import etree

 USE_GTK = False

@@ -868,10 +868,13 @@

     def __init__(self, document):

         PdfConverterBase.__init__(self, document)

         self.hash = None

+	USE_GTK = False

     def convert(self, *a, **kw):

         # compute hash for generating unique ids for sub-elements

-        self.hash = md5.new('%s%s' % (a, kw)).hexdigest()[:8]

+	m = hashlib.md5()

+	m.update('%s%s' % (a, kw))

+	self.hash = m.hexdigest()[:8]

         return PdfConverterBase.convert(self, *a, **kw)

     def pdf_to_svg(self):