From fe8290b3d0ca21dd8ae5471a59a8bf13d3dcb31e Mon Sep 17 00:00:00 2001
From: Nate Prewitt <Nate.Prewitt@gmail.com>
Date: Thu, 17 May 2018 07:17:50 -0700
Subject: [PATCH] updating HISTORY.rst

---
 HISTORY.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/HISTORY.rst b/HISTORY.rst
index 2c853f9a..1d238eed 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -23,6 +23,7 @@ dev
 - DNS resolution in proxy bypass no longer includes the username and password in
   the request. This also fixes the issue of DNS queries failing on macOS.
 - Properly normalize adapter prefixes for url comparison.
+- Passing ``None`` as a file pointer to the ``files`` param no longer raises an exception.
 
 2.18.4 (2017-08-15)
 +++++++++++++++++++