Merge pull request #221 from Klupamos/master

Fix for issue #218

Author: alanhamlett

pdfkit/pdfkit.py

@@ -7,13 +7,10 @@
 from .configuration import Configuration
 import io
 import codecs
-try:
-    # Python 2.x and 3.x support for checking string types
-    basestring
-    unicode
-except NameError:
-    basestring = str
-    unicode = str
+
+# Python 2.x and 3.x support for checking string types
+basestring = str.__mro__[-2]
+unicode = type(u'')
 
 
 class PDFKit(object):

pdfkit/source.py

@@ -1,14 +1,10 @@
 # -*- coding: utf-8 -*-
 import os
 import io
-try:
-    # Python 2.x and 3.x support for checking string types
-    assert basestring
-    assert unicode
-except NameError:
-    basestring = str
-    unicode = str
 
+# Python 2.x and 3.x support for checking string types
+basestring = str.__mro__[-2]
+unicode = type(u'')
 
 
 class Source(object):