From e127994456c8794e9f011322c28307374ed4978d Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 5 Nov 2014 11:10:16 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/gui2/__init__.py b/src/calibre/gui2/__init__.py
index ec114ff670..3ee6967893 100644
--- a/src/calibre/gui2/__init__.py
+++ b/src/calibre/gui2/__init__.py
@@ -1115,6 +1115,7 @@ def sanitize_env_vars():
                     os.environ[var] = orig
                 elif var in os.environ:
                     del os.environ[var]
+SanitizeLibraryPath = sanitize_env_vars  # For old plugins
 
 def open_url(qurl):
     # Qt 5 requires QApplication to be constructed before trying to use