From 763f68b6233380105cc2ae6565ce955ba7de6b8e Mon Sep 17 00:00:00 2001
From: Guillaume Lemaitre <g.lemaitre58@gmail.com>
Date: Wed, 30 Jan 2019 17:45:18 +0100
Subject: [PATCH] BUG: fix flake8 --diff

---
 src/flake8/style_guide.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/flake8/style_guide.py b/src/flake8/style_guide.py
index 4626fd6..df6409c 100644
--- a/src/flake8/style_guide.py
+++ b/src/flake8/style_guide.py
@@ -429,7 +429,7 @@ class StyleGuideManager(object):
         :param dict diffinfo:
             Dictionary mapping filenames to sets of line number ranges.
         """
-        for guide in self.style_guides.values():
+        for guide in self.style_guides:
             guide.add_diff_ranges(diffinfo)