From e03aaa75421c0266884f8e53f8229b91485e487d Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 2 Dec 2014 10:23:10 +0100
Subject: [PATCH] Patch for an Issue #982

---
 lib/utils/hash.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/utils/hash.py b/lib/utils/hash.py
index 4e42bb769..709bcd281 100644
--- a/lib/utils/hash.py
+++ b/lib/utils/hash.py
@@ -19,7 +19,11 @@ try:
 except (ImportError, OSError):
     pass
 else:
-    _multiprocessing = multiprocessing
+    try:
+        if multiprocessing.cpu_count() > 1:
+            _multiprocessing = multiprocessing
+    except NotImplementedError:
+        pass
 
 import gc
 import os