Try not to split around the '=' in a named assign.

Closes #394
diff --git a/CHANGELOG b/CHANGELOG
index 4db4add..95aa19a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -12,6 +12,7 @@
 - Remove trailing whitespaces from comments.
 - Split before a function call in a list if the full list isn't able to fit on
   a single line.
+- Trying not to split around the '=' of a named assign.
 
 ## [0.16.1] 2017-03-22
 ### Changed