问Arelle启动过程中误逃逸错误

EN

python3 arelleGUI.pyw

Traceback (most recent call last):
  File "arelleGUI.pyw", line 9, in <module>
    from arelle import CntlrWinMain
  File "/tmp3/Arelle/arelle/CntlrWinMain.py", line 22, in <module>
    from arelle import Cntlr
  File "/tmp3/Arelle/arelle/Cntlr.py", line 8, in <module>
    from arelle import ModelManager
  File "/tmp3/Arelle/arelle/ModelManager.py", line 8, in <module>
    from arelle import (ModelXbrl, Validate, DisclosureSystem)
  File "/tmp3/Arelle/arelle/Validate.py", line 9, in <module>
    from arelle import (ModelXbrl, ModelVersReport, XbrlConst, ModelDocument,
  File "/tmp3/Arelle/arelle/ModelVersReport.py", line 9, in <module>
    from arelle import (XbrlConst, XbrlUtil, XmlUtil, UrlUtil, ModelXbrl, ModelDocument, ModelVersObject)
  File "/tmp3/Arelle/arelle/ModelDocument.py", line 9, in <module>
    from arelle import (XbrlConst, XmlUtil, UrlUtil, ValidateFilingText, XmlValidate)
  File "/tmp3/Arelle/arelle/ValidateFilingText.py", line 16, in <module>
    docCheckPattern = re.compile(r"&\w+;|[^0-9A-Za-z`~!@#$%&\*\(\)\.\-+ \[\]\{\}\|\\:;\"'<>,_?/=\t\n\r\m\f]") # won't match &#nnn;
  File "/usr/lib/python3.6/re.py", line 233, in compile
    return _compile(pattern, flags)
  File "/usr/lib/python3.6/re.py", line 301, in _compile
    p = sre_compile.compile(pattern, flags)
  File "/usr/lib/python3.6/sre_compile.py", line 562, in compile
    p = sre_parse.parse(p, flags)
  File "/usr/lib/python3.6/sre_parse.py", line 855, in parse
    p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
  File "/usr/lib/python3.6/sre_parse.py", line 416, in _parse_sub
    not nested and not items))
  File "/usr/lib/python3.6/sre_parse.py", line 527, in _parse
    code1 = _class_escape(source, this)
  File "/usr/lib/python3.6/sre_parse.py", line 336, in _class_escape
    raise source.error('bad escape %s' % escape, len(escape))
sre_constants.error: bad escape \m at position 67