From f8ff0d0d4657d5f6a638fb90f0d518bd2768aa7b Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Tue, 8 Jan 2019 14:42:27 -0500
Subject: Feed the hobgoblins (delint).

---
 setuptools/config.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/setuptools/config.py b/setuptools/config.py
index 0f7b5955..b6626043 100644
--- a/setuptools/config.py
+++ b/setuptools/config.py
@@ -260,7 +260,9 @@ class ConfigHandler:
         def parser(value):
             exclude_directive = 'file:'
             if value.startswith(exclude_directive):
-                raise ValueError('Only strings are accepted for the {0} field, files are not accepted'.format(key))
+                raise ValueError(
+                    'Only strings are accepted for the {0} field, '
+                    'files are not accepted'.format(key))
             return value
         return parser
 
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