Better xlwt handling.

tablib/core.py

@@ -167,9 +167,7 @@ class Dataset(object):
 			for j, col in enumerate(row):
 				ws.write(i, j, col)
 
-		doc = xlwt.CompoundDoc.XlsDoc()
-		doc.save(stream, wb.get_biff_data())
-
+		wb.save(stream)
 		return stream.getvalue()
 
 		

tablib/packages/xlwt/__init__.py

@@ -14,5 +14,3 @@ from Column import Column
 from Formatting import Font, Alignment, Borders, Pattern, Protection
 from Style import XFStyle, easyxf
 from ExcelFormula import *
-
-import CompoundDoc

tablib/tests/tests.py

@@ -21,6 +21,6 @@ data.append(['kenneth' ,'reitz', 4.3])
 
 data.headers = None
 #print data.csv
-print data.xls
+print len(data.xls)
 #print data.yaml
 #print data.json