From 4a2becea17e06c0dffd7a4e64c5d0849e688605a Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Sun, 4 Aug 2019 17:21:03 +0100
Subject: [PATCH] handle double close

---
 fs/memoryfs.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/memoryfs.py b/fs/memoryfs.py
index 6e0630df..dcc03050 100644
--- a/fs/memoryfs.py
+++ b/fs/memoryfs.py
@@ -342,7 +342,8 @@ def _get_dir_entry(self, dir_path):
 
     def close(self):
         # type: () -> None
-        del self.root
+        if not self._closed:
+            del self.root
         return super(MemoryFS, self).close()
 
     def getinfo(self, path, namespaces=None):