From 5980de3727a0e80b5d70849bd2dd7054318c25d8 Mon Sep 17 00:00:00 2001
From: Noam Postavsky <npostavs@gmail.com>
Date: Thu, 12 Oct 2017 23:25:13 -0400
Subject: [PATCH] Disable python native completion on w32 (Bug#28580)

* lisp/progmodes/python.el
(python-shell-completion-native-disabled-interpreters): For windows-nt
systems, put an empty string to match interpreters.
---
 lisp/progmodes/python.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index f79d9a47d31..895117b9ee3 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -3304,8 +3304,9 @@ the full statement in the case of imports."
 (defcustom python-shell-completion-native-disabled-interpreters
   ;; PyPy's readline cannot handle some escape sequences yet.  Native
   ;; completion was found to be non-functional for IPython (see
-  ;; Bug#25067).
-  (list "pypy" "ipython")
+  ;; Bug#25067).  Native completion doesn't work on w32 (Bug#28580).
+  (if (eq system-type 'windows-nt) '("")
+    '("pypy" "ipython"))
   "List of disabled interpreters.
 When a match is found, native completion is disabled."
   :version "25.1"