diff -r 8ab8f5259f09 Lib/ctypes/util.py
--- a/Lib/ctypes/util.py	Wed Apr 27 23:13:46 2016 +0300
+++ b/Lib/ctypes/util.py	Thu Apr 28 17:23:46 2016 +0800
@@ -185,6 +185,7 @@
                 cmd = 'env LC_ALL=C /usr/bin/crle 2>/dev/null'
 
             with contextlib.closing(os.popen(cmd)) as f:
+                paths = None
                 for line in f.readlines():
                     line = line.strip()
                     if line.startswith('Default Library Path (ELF):'):