Make this string an r-string so it gets better syntax highlighting.

etiquette/exceptions.py

@@ -4,12 +4,11 @@ def pascal_to_loudsnakes(text):
     '''
     NoSuchPhoto -> NO_SUCH_PHOTO
     '''
-    match = re.findall('[A-Z][a-z]*', text)
+    match = re.findall(r'[A-Z][a-z]*', text)
     text = '_'.join(match)
     text = text.upper()
     return text
 
-
 class ErrorTypeAdder(type):
     '''
     During definition, the Exception class will automatically receive a class