[requires.io] dependency update

requires · requires · commit 221c91ef435b · 2016-11-21T23:08:32.000Z
diff --git a/requirements/testing.txt b/requirements/testing.txt
@@ -2,4 +2,4 @@
 
 nose==1.3.7
 coverage==4.2
-flake8==3.2.0
+flake8==3.2.1
