[REF] Compatibilidade com python2

pynfe/processamento/comunicacao.py

@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+
+from __future__ import division, print_function, unicode_literals
+
 import re
 import requests
 from pynfe.utils import etree, StringIO

pynfe/processamento/nfse.py

@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+
+from __future__ import division, print_function, unicode_literals
+
 from pynfe.utils import etree
 from pynfe.utils.flags import (
     NAMESPACE_XSI,

pynfe/utils/flags.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import division, print_function, unicode_literals
+
 NAMESPACE_NFE = 'http://www.portalfiscal.inf.br/nfe'
 NAMESPACE_SIG = 'http://www.w3.org/2000/09/xmldsig#'
 NAMESPACE_SOAP = 'http://www.w3.org/2003/05/soap-envelope'

pynfe/utils/webservices.py

@@ -1,8 +1,10 @@
-
+# -*- coding: utf-8 -*-
 """
 	@author: Junior Tada, Leonardo Tada
 """
 
+from __future__ import division, print_function, unicode_literals
+
 # http://nfce.encat.org/desenvolvedor/qrcode/
 # http://nfce.encat.org/consumidor/consulte-sua-nota/ 	url consulta por chave
 # Nfc-e