Avoid DeprecationWarning caused by invalid escape

Fixes: #479
PythonCharmers · Jul 3, 2019 · e4b7fa1 · e4b7fa1
1 parent e12549c
commit e4b7fa1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/past/types/oldstr.py b/src/past/types/oldstr.py
@@ -20,7 +20,7 @@ def __instancecheck__(cls, instance):
 
 
 def unescape(s):
-    """
+    r"""
     Interprets strings with escape sequences
 
     Example: