Make python Regex Strings raw to avoid py3.12 SyntaxError

src/Mod/BIM/ArchRebar.py

@@ -450,7 +450,7 @@ class _ViewProviderRebar(ArchComponent.ViewProviderComponent):
                     import re
                     self.centerline = coin.SoSeparator()
                     comp = Part.makeCompound(obj.Proxy.wires)
-                    buf = re.findall("point \[(.*?)\]",comp.writeInventor().replace("\n",""))
+                    buf = re.findall(r"point \[(.*?)\]",comp.writeInventor().replace("\n",""))
                     pts = [zip(*[iter( c.split() )]*3) for c in buf]
                     for pt in pts:
                         vlist = [ [float(v[0]),float(v[1]),float(v[2])] for v in pt ]