SyntaxWarning: invalid escape sequence

Running sardana in python 3.12 one gets many SyntaxWarning: invalid escape sequence e.g.

/usr/lib/python3/dist-packages/sardana/macroserver/macro.py:238: SyntaxWarning: invalid escape sequence '\<'
  """Hooks (callables) attached to the macro object together with the
/usr/lib/python3/dist-packages/sardana/macroserver/macros/discrete.py:103: SyntaxWarning: invalid escape sequence '\{'
  msg = 'Cannot update configuration]\n{0}\{1}'.format(e, self)
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:185: SyntaxWarning: invalid escape sequence '\d'
  '(?<![\d.])'
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:186: SyntaxWarning: invalid escape sequence '\d'
  '(?![1-9]\d*(?![\d.])|\d*\.\d*\.)'
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:187: SyntaxWarning: invalid escape sequence '\.'
  '0*(?!(?<=0)\.)'
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:188: SyntaxWarning: invalid escape sequence '\d'
  '([\d.]+?)'
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:189: SyntaxWarning: invalid escape sequence '\.'
  '\.?0*'
/usr/lib/python3/dist-packages/sardana/macroserver/macros/hkl.py:190: SyntaxWarning: invalid escape sequence '\d'
  '(?![\d.])'
/usr/lib/python3/dist-packages/sardana/taurus/qt/qtgui/extra_macroexecutor/macrobutton.py:275: SyntaxWarning: invalid escape sequence '\s'
  if re.search('\s', value):

It would be nice to fix them either by changing '...' to r'...' or replacing '\d' by '\\d'