From f1199035f6ac8c2bc90e97603cc0d3e703ae168d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 10 Jun 2019 15:41:30 +0530
Subject: [PATCH] py3: Port winreg imports

---
 src/calibre/devices/winusb.py   | 8 +++++++-
 src/calibre/utils/winreg/lib.py | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/calibre/devices/winusb.py b/src/calibre/devices/winusb.py
index 93b5e89dd0..9ecfa32d20 100644
--- a/src/calibre/devices/winusb.py
+++ b/src/calibre/devices/winusb.py
@@ -4,7 +4,7 @@
 
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-import os, string, _winreg as winreg, re, sys
+import os, string, re, sys
 from collections import namedtuple, defaultdict
 from operator import itemgetter
 from ctypes import (
@@ -20,6 +20,12 @@ from calibre import prints, as_unicode
 
 is64bit = sys.maxsize > (1 << 32)
 
+try:
+    import winreg
+except ImportError:
+    import _winreg as winreg
+
+
 # Data and function type definitions {{{
 
 
diff --git a/src/calibre/utils/winreg/lib.py b/src/calibre/utils/winreg/lib.py
index 14488dc4e3..f96ecd630d 100644
--- a/src/calibre/utils/winreg/lib.py
+++ b/src/calibre/utils/winreg/lib.py
@@ -5,9 +5,15 @@ from __future__ import absolute_import, division, print_function, unicode_litera
 __license__ = 'GPL v3'
 __copyright__ = '2015, Kovid Goyal <kovid at kovidgoyal.net>'
 
-import ctypes, ctypes.wintypes as types, _winreg as winreg, struct, datetime, numbers
+import ctypes, ctypes.wintypes as types, struct, datetime, numbers
 import winerror, win32con
 
+try:
+    import winreg
+except ImportError:
+    import _winreg as winreg
+
+
 # Binding to C library {{{
 advapi32 = ctypes.windll.advapi32
 HKEY = types.HKEY