Epub: only attach images referenced in the text.

[librarian.git] / librarian / embeds / mathml.py

diff --git a/librarian/embeds/mathml.py b/librarian/embeds/mathml.py
index dd78f05..bd58baf 100644 (file)
--- a/librarian/embeds/mathml.py
+++ b/librarian/embeds/mathml.py
@@ -1,5 +1,8 @@
 # -*- coding: utf-8 -*-
 # -*- coding: utf-8 -*-

+from __future__ import unicode_literals
+

 from lxml import etree
 from lxml import etree

+import six

 from librarian import get_resource
 from . import TreeEmbed, create_embed, downgrades_to
 
 from librarian import get_resource
 from . import TreeEmbed, create_embed, downgrades_to
 


@@ -9,4 +12,4 @@ class MathML(TreeEmbed):
     def to_latex(self):
         xslt = etree.parse(get_resource('res/embeds/mathml/mathml2latex.xslt'))
         output = self.tree.xslt(xslt)
     def to_latex(self):
         xslt = etree.parse(get_resource('res/embeds/mathml/mathml2latex.xslt'))
         output = self.tree.xslt(xslt)

-        return create_embed('application/x-latex', data=unicode(output))
+        return create_embed('application/x-latex', data=six.text_type(output))