1 files changed, 12 insertions, 47 deletions
diff --git a/docutils/docutils/utils/math/math2html.py b/docutils/docutils/utils/math/math2html.py
index 1f61e23f8..49671655c 100644
--- a/docutils/docutils/utils/math/math2html.py
+++ b/docutils/docutils/utils/math/math2html.py
@@ -20,10 +20,21 @@
 # Alex 20101110
 # eLyXer standalone formula conversion to HTML.
 
+import codecs
+import datetime
+import gettext
+import io
+import os.path
+import sys
+import unicodedata
+import urllib
 
 
+if sys.version_info >= (3,0):
+    unicode = str  #noqa
+    basestring = str  # noqa
+    file = io.IOBase  # noqa
 
-import sys
 
 class Trace(object):
   "A tracing class"
@@ -73,12 +84,6 @@ class Trace(object):
   show = classmethod(show)
 
 
-
-
-import os.path
-import sys
-
-
 class BibStylesConfig(object):
   "Configuration class from elyxer.config file"
 
@@ -1305,17 +1310,6 @@ class BranchOptions(object):
     return 'options for ' + self.name + ': ' + unicode(self.options)
 
 
-
-
-import urllib
-
-
-
-
-
-
-
-
 class Cloner(object):
   "An object used to clone other objects."
 
@@ -1699,15 +1693,6 @@ class StringOutput(ContainerOutput):
     return [container.string]
 
 
-
-
-
-
-
-import sys
-import codecs
-
-
 class LineReader(object):
   "Reads a file line by line"
 
@@ -3094,24 +3079,6 @@ class FormulaFactory(object):
     return whole
 
 
-
-
-import unicodedata
-
-
-
-
-
-
-
-
-
-
-
-
-import gettext
-
-
 class Translator(object):
   "Reads the configuration file and tries to find a translation."
   "Otherwise falls back to the messages in the config file."
@@ -4589,8 +4556,6 @@ class BeginCommand(CommandBit):
 FormulaCommand.types += [BeginCommand]
 
 
-import datetime
-
 
 class CombiningFunction(OneParamFunction):