FIX: Use raw string for regex
@@ -140,7 +140,7 @@ class Transformation(metaclass=ABCMeta):
result = []
# Only try to match strings containing a relevant special character
for v in values:
- if isinstance(v, str) and re.search('[\*\?\[\]]', v):
+ if isinstance(v, str) and re.search(r'[\*\?\[\]]', v):
result.append(self.collection.match_variables(v))
else:
result.append([v])
