fix deprecation warning by making the regex a raw string

jupyter-server · Nov 1, 2021 · b152441 · b152441
1 parent 8b9a3f7
commit b152441
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/jupyter_server/auth/login.py b/jupyter_server/auth/login.py
@@ -109,7 +109,7 @@ def set_login_cookie(cls, handler, user_id=None):
         handler.set_secure_cookie(handler.cookie_name, user_id, **cookie_options)
         return user_id
 
-    auth_header_pat = re.compile("token\s+(.+)", re.IGNORECASE)
+    auth_header_pat = re.compile(r"token\s+(.+)", re.IGNORECASE)
 
     @classmethod
     def get_token(cls, handler):