commit 2cb052d072d9a14d82ac6a8806213fcb69e06c61
Author: Vitezslav Humpa <vhumpa@redhat.com>
Date:   Tue Sep 20 17:18:09 2016 +0200

    Fix several python2 unicode issues + python3 unicode() function compat

diff --git a/behave/formatter/html.py b/behave/formatter/html.py
index 437ef98..75cf881 100644
--- a/behave/formatter/html.py
+++ b/behave/formatter/html.py
@@ -334,7 +334,9 @@ class HTMLFormatter(Formatter):
             for argument in self.arguments:
                 step_part = ET.SubElement(step_text, 'span')
                 step_part.text = result.name[text_start:argument.start]
-                ET.SubElement(step_text, 'b').text = str(argument.value)
+                if type(argument.value) is int:
+                    argument.value = str(argument.value)
+                ET.SubElement(step_text, 'b').text = argument.value
                 text_start = argument.end
             step_part = ET.SubElement(step_text, 'span')
             step_part.text = result.name[self.arguments[-1].end:]
@@ -397,6 +399,13 @@ class HTMLFormatter(Formatter):
     def _doEmbed(self, span, mime_type, data, caption):
         self.embed_id += 1
 
+        # make a 'unicode' compat function for execution on python3
+        try:
+            unicode('')
+        except NameError:
+            def unicode(string):
+                return str(string)
+
         link = ET.SubElement(span, 'a')
         link.set("onclick", "Collapsible_toggle('embed_%s')" % self.embed_id)
 
@@ -439,7 +448,10 @@ class HTMLFormatter(Formatter):
             embed = ET.SubElement(span, 'pre',
                                   {'id': "embed_%s" % self.embed_id,
                                    'style': 'display: none'})
-            embed.text = cleaned_data
+            try:
+                embed.text = cleaned_data.decode('utf-8', 'replace')
+            except AttributeError:  # this is python3
+                embed.text = cleaned_data
             embed.tail = u'    '
 
     def embedding(self, mime_type, data, caption=None):