From 2160f24f041f8bb777ce3ca7497d719014f47db3 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Mon, 2 Apr 2018 11:19:59 +0300
Subject: Fix erroneous f-string

---
 viewstate/parse.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/viewstate/parse.py b/viewstate/parse.py
index ca9fbe8..ef788e6 100644
--- a/viewstate/parse.py
+++ b/viewstate/parse.py
@@ -31,7 +31,7 @@ class Parser(metaclass=ParserMeta):
         try:
             return Parser.registry[marker].parse(remain)
         except KeyError:
-            raise ViewStateException(f'Unknown marker {marker}')
+            raise ViewStateException('Unknown marker {}'.format(marker))
 
 
 class Const(Parser):
-- 
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