Fix a condition was throwing exceptions when storing floats to XML ElementTree.text element.

Author: zgypa

PyFePA/serializer.py

@@ -146,6 +146,8 @@ def serializexml(invoice_part,tagname):
                 for t in taglist[k]['value']:
                     fe.append(serializexml(t, taglist[k]['tag']))
         elif taglist[k]['type'] == 'S' and taglist[k]['value'] is not None:
+            if type(taglist[k]['value']) != unicode:
+                taglist[k]['value'] = unicode(taglist[k]['value'])
             (ElementTree.SubElement(fe, taglist[k]['tag'])).text = taglist[k]['value']
         elif taglist[k]['type'] == 'O' and taglist[k]['value'] is not None:
             fe.append(serializexml(taglist[k]['value'],taglist[k]['tag']))