diff -r a2df4baa112b Lib/linecache.py
--- a/Lib/linecache.py	Wed Apr 01 13:06:18 2015 +0300
+++ b/Lib/linecache.py	Wed Apr 01 14:19:51 2015 +0300
@@ -40,11 +40,16 @@ def getlines(filename, module_globals=No
 
     if filename in cache:
         entry = cache[filename]
-        if len(entry) == 1:
+        if len(entry) != 1:
+            return cache[filename][2]
+    try:
+        return updatecache(filename, module_globals)
+    except MemoryError:
+        clearcache()
+        try:
             return updatecache(filename, module_globals)
-        return cache[filename][2]
-    else:
-        return updatecache(filename, module_globals)
+        except MemoryError:
+            return []
 
 
 def checkcache(filename=None):