bpo-30904: Removed duplicated Host: header. (GH-4465) (#4468)

(cherry picked from commit e96ba183)

bpo-30904: Removed duplicated Host: header. (GH-4465) (#4468)
(cherry picked from commit e96ba183)
b071a5e8 · Miss Islington (bot) · Vinay Sajip · 65dffe58 · b071a5e8
Kaydet (Commit) b071a5e8 authored Kas 19, 2017 tarafından Miss Islington (bot) Kaydeden (comit) Vinay Sajip Kas 19, 2017
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handlers.py Lib/logging/handlers.py +3 -1

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--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -1183,7 +1183,9 @@ class HTTPHandler(logging.Handler):
            i = host.find(":")
            if i >= 0:
                host = host[:i]
-            h.putheader("Host", host)
+            # See issue #30904: putrequest call above already adds this header
+            # on Python 3.x.
+            # h.putheader("Host", host)
            if self.method == "POST":
                h.putheader("Content-type",
                            "application/x-www-form-urlencoded")