autocmake/external/docopt.py : SyntaxWarning: invalid escape sequence ...

[miroi]

Hello Rado,

I am reporting SyntaxWarnings in DIRAC/cmake/autocmake/external/docopt.py,

from https://app.readthedocs.org/api/v2/build/26473960.txt :

./setup $READTHEDOCS_OUTPUT
/home/docs/checkouts/readthedocs.org/user_builds/diracprogram-documentation/checkouts/latest/cmake/autocmake/external/docopt.py:162: SyntaxWarning: invalid escape sequence '\S'
  name = re.findall("(<\S*?>)", source)[0]
/home/docs/checkouts/readthedocs.org/user_builds/diracprogram-documentation/checkouts/latest/cmake/autocmake/external/docopt.py:163: SyntaxWarning: invalid escape sequence '\['
  value = re.findall("\[default: (.*)\]", source, flags=re.I)
/home/docs/checkouts/readthedocs.org/user_builds/diracprogram-documentation/checkouts/latest/cmake/autocmake/external/docopt.py:202: SyntaxWarning: invalid escape sequence '\['
  matched = re.findall("\[default: (.*)\]", description, flags=re.I)
/home/docs/checkouts/readthedocs.org/user_builds/diracprogram-documentation/checkouts/latest/cmake/autocmake/external/docopt.py:454: SyntaxWarning: invalid escape sequence '\S'
  split = re.split("\n *(<\S+?>|-\S+?)", doc)[1:]

Lines are here:
https://github.com/dev-cafe/autocmake/blob/master/autocmake/external/docopt.py#L162
https://github.com/dev-cafe/autocmake/blob/master/autocmake/external/docopt.py#L163
https://github.com/dev-cafe/autocmake/blob/master/autocmake/external/docopt.py#L202
https://github.com/dev-cafe/autocmake/blob/master/autocmake/external/docopt.py#L454