Error when passing from python 3.5.4 to python 3.6

Hello,

Sorry to post this here, this is not direclty linked to scons, but to qt5
tools.  I thought that maybe someone faced this problem before in the scons
code.

https://bitbucket.org/dirkbaechle/scons_qt5/issues/14/from-python-354-to-368-raise-sourceerror

python : 3.6.8
scons : 3.0.5
os : windows 10

Trying to update my python from 3.5.4 to 3.6.8 version and I stumbled on the
exception below. I found something similar to this page :
https://stackoverflow.com/questions/58328587/python-3-7-4-re-error-bad-escape-s-at-position-0.
but I don`t understand... :

PS C:\SVN\products\faa_mx\integ> scons -n
scons: Reading SConscript files ...
error: bad escape \m at position 37:
File "C:\SVN\products\faa_mx\integ\SConstruct", line 30:
sc_manager.build()
File
"C:\SVN\products\faa_mx\integ\cm\env\scons\utilities\sconscriptManager.py",
line 44:
duplicate=0)
File
"c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
line 668:
return method(*args, **kw)
File
"c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
line 605:
return _SConscript(self.fs, files, **subst_kw)
File
"c:\python\python3.6.8\lib\site-packages\scons\SCons\Script\SConscript.py",
line 286:
exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
File
"C:\SVN\products\faa_mx\integ\sr\speech\ASREngineSpawner\ASREngineSpawner.sc",
line 12:
lib_tgt = env.build_library(envService, ['ASREngineSpawner.cpp',
'ProcessManager.cpp'] + env.Glob('.ui'))
File
"C:\SVN\products\faa_mx\integ\cm\env\scons\adacelBuilders\pseudoBuilders.py",
line 95:
source=tgt)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Environment.py",
line 260:
return MethodWrapper.call(self, target, source, *args, **kw)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Environment.py",
line 224:
return self.method(*nargs, **kwargs)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
645:
return self.execute(env, target, source, OverrideWarner(kw), ekw)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
564:
tlist, slist = self.create_nodes(env, target, source)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
528:
target, source = self.emitter(target=tlist, source=slist, env=env)
File "c:\python\python3.6.8\lib\site-packages\scons\SCons\Builder.py", line
353:
target, source = e(target, source, env)
File "C:\SVN\3rdParty\devTool\site_scons\site_tools\qt5_init.py", line 373:
cpp, cpp_contents, out_sources)
File "C:\SVN\3rdParty\devTool\site_scons\site_tools\qt5_init.py", line 229:
if cpp and re.search(inc_moc_cpp, cpp_contents, re.M):
File "C:\Python\Python3.6.8\lib\re.py", line 182:
return _compile(pattern, flags).search(string)
File "C:\Python\Python3.6.8\lib\re.py", line 301:
p = sre_compile.compile(pattern, flags)
File "C:\Python\Python3.6.8\lib\sre_compile.py", line 562:
p = sre_parse.parse(p, flags)
File "C:\Python\Python3.6.8\lib\sre_parse.py", line 855:
p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)
File "C:\Python\Python3.6.8\lib\sre_parse.py", line 416:
not nested and not items))
File "C:\Python\Python3.6.8\lib\sre_parse.py", line 502:
code = _escape(source, this, state)
File "C:\Python\Python3.6.8\lib\sre_parse.py", line 401:
raise source.error("bad escape %s" % escape, len(escape))




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