From bf448c39979fe1d9940ed408ac8cacfd9eb04bc0 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Mon, 9 Nov 2020 14:05:18 +0000
Subject: [PATCH] only _AddDllDirectory existing directories (fixes
 OSGeo4W#649)

---
 python/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/utils.py b/python/utils.py
index c2a403efec99..6be762ced939 100644
--- a/python/utils.py
+++ b/python/utils.py
@@ -780,7 +780,7 @@ def _import(name, globals={}, locals={}, fromlist=[], level=None):
                 global _RemoveDllDirectory
 
                 for p in set(new_path.split(';')) - set(old_path.split(';')):
-                    if p is not None and p not in _import_path:
+                    if p is not None and p not in _import_path and os.path.isdir(p):
                         _import_paths[p] = _AddDllDirectory(p)
 
                 for p in set(old_path.split(';')) - set(new_path.split(';')):