if os.path.exists(basefile):
th=zipfile.ZipFile(basefile,'a',zipfile.ZIP_DEFLATED)
else:
- th=zipfile.ZipFile(basefile,'w')
+ th=zipfile.ZipFile(basefile,'w',zipfile.ZIP_DEFLATED)
if os.path.exists(addfile):
th.write(addfile,os.path.basename(addfile))
th.close()