diff --git a/extensions/fablabchemnitz/cookie_cutter/svgpath/parser.py b/extensions/fablabchemnitz/cookie_cutter/svgpath/parser.py
index 2f6f867..9c54fb8 100644
--- a/extensions/fablabchemnitz/cookie_cutter/svgpath/parser.py
+++ b/extensions/fablabchemnitz/cookie_cutter/svgpath/parser.py
@@ -9,8 +9,8 @@ import math
 COMMANDS = set('MmZzLlHhVvCcSsQqTtAa')
 UPPERCASE = set('MZLHVCSQTA')
 
-COMMAND_RE = re.compile("([MmZzLlHhVvCcSsQqTtAa])")
-FLOAT_RE = re.compile("[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?")
+COMMAND_RE = re.compile(r"([MmZzLlHhVvCcSsQqTtAa])")
+FLOAT_RE = re.compile(r"[-+]?[0-9]*\.?[0-9]+(?:[eE][-+]?[0-9]+)?")
 
 SVG_COLORS = {
 "aliceblue": (0.941176,0.972549,1),