python-excel/xlwt — pull request #31 by att14 (2013-08-12 20:10:47+00:00)
Title: Make default encoding utf8 for unpacking

Is this okay? Please advise.

```
File ".../xlwt/xlwt/Workbook.py", line 662, in save
doc.save(filename, self.get_biff_data())
File ".../xlwt/xlwt/Workbook.py", line 630, in get_biff_data
before += self.__all_fonts_num_formats_xf_styles_rec()
File ".../xlwt/xlwt/Workbook.py", line 533, in __all_fonts_num_formats_xf_styles_rec
return self.__styles.get_biff_data()
File ".../xlwt/xlwt/Style.py", line 183, in get_biff_data
result += self._all_num_formats()
File ".../xlwt/xlwt/Style.py", line 208, in _all_num_formats
result += NumberFormatRecord(fmtidx, fmtstr).get()
File ".../xlwt/xlwt/BIFFRecords.py", line 789, in __init__
ufmtstr = upack2(fmtstr)
File ".../xlwt/xlwt/UnicodeUtils.py", line 50, in upack2
us = unicode(s, encoding)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 0: ordinal not in range(128)
```