From 69982ed46c2ceee3837d8e26c0fd48c9ec32ca95 Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Wed, 4 Sep 2019 15:10:55 +0100
Subject: [PATCH] Strip Transfer-Encoding when a switch-to-GET redirect is made

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

diff --git a/httpx/middleware.py b/httpx/middleware.py
index b14037d4..aa994dba 100644
--- a/httpx/middleware.py
+++ b/httpx/middleware.py
@@ -151,8 +151,10 @@ class RedirectMiddleware(BaseMiddleware):
             del headers["Host"]
 
         if method != request.method and method == "GET":
-            # Strip Content-Length headers when we've switch to a 'GET' request.
+            # If we've switch to a 'GET' request, then strip any headers which
+            # are only relevant to the request body.
             del headers["Content-Length"]
+            del headers["Transfer-Encoding"]
 
         return headers