Removed check for python version

ebook_converter/ebooks/metadata/book/base.py

@@ -1,7 +1,7 @@
 import copy, traceback
 
 from ebook_converter import prints
-from ebook_converter.constants import DEBUG, ispy3
+from ebook_converter.constants import DEBUG
 from ebook_converter.ebooks.metadata.book import (SC_COPYABLE_FIELDS,
         SC_FIELDS_COPY_NOT_NULL, STANDARD_METADATA_FIELDS,
         TOP_LEVEL_IDENTIFIERS, ALL_METADATA_FIELDS)
@@ -789,13 +789,7 @@ class Metadata(object):
             ans[i] = '<tr><td><b>%s</b></td><td>%s</td></tr>'%x
         return '<table>%s</table>'%'\n'.join(ans)
 
-    if ispy3:
-        __str__ = __unicode__representation__
-    else:
-        __unicode__ = __unicode__representation__
-
-        def __str__(self):
-            return self.__unicode__().encode('utf-8')
+    __str__ = __unicode__representation__
 
     def __nonzero__(self):
         return bool(self.title or self.author or self.comments or self.tags)