Python [ site-Package ] [ xlwt ] [ ValueError: cannot use LOCALE flag with a str pattern ]

• 问题情境
  win7 + python3.7 + 读写execl时报错：

• Log
  Traceback (most recent call last):
  File “parse-excel.py”, line 4, in
  import xlwt,xlrd,sys
  File “C:\Python37\lib\site-packages\xlwt_init_.py”, line 4, in
  from .Worksheet import Worksheet
  File “C:\Python37\lib\site-packages\xlwt\Worksheet.py”, line 38, in
  from .Row import Row
  File “C:\Python37\lib\site-packages\xlwt\Row.py”, line 7, in
  from . import ExcelFormula
  File “C:\Python37\lib\site-packages\xlwt\ExcelFormula.py”, line 3, in
  from . import ExcelFormulaParser, ExcelFormulaLexer
  File “C:\Python37\lib\site-packages\xlwt\ExcelFormulaLexer.py”, line 53, in
  VERBOSE+LOCALE+IGNORECASE)
  File “C:\Python37\lib\re.py”, line 234, in compile
  return _compile(pattern, flags)
  File “C:\Python37\lib\re.py”, line 286, in _compile
  p = sre_compile.compile(pattern, flags)
  File “C:\Python37\lib\sre_compile.py”, line 764, in compile
  p = sre_parse.parse(p, flags)
  File “C:\Python37\lib\sre_parse.py”, line 940, in parse
  p.pattern.flags = fix_flags(str, p.pattern.flags)
  File “C:\Python37\lib\sre_parse.py”, line 907, in fix_flags
  raise ValueError(“cannot use LOCALE flag with a str pattern”)
  ValueError: cannot use LOCALE flag with a str pattern

• 问题原因
  xlwt版本较低，存在bug，需更新版本

• 解决办法
  卸载并重装xlwt

  pip uninstall xlwt
  pip install xlwt

• Reference
  https://github.com/kennethreitz/tablib/issues/254