Index: Lib/multiprocessing/pool.py
===================================================================
--- Lib/multiprocessing/pool.py	(revision 82778)
+++ Lib/multiprocessing/pool.py	(working copy)
@@ -16,6 +16,7 @@
 import Queue
 import itertools
 import collections
+import sys
 import time
 
 from multiprocessing import Process, cpu_count, TimeoutError
@@ -108,8 +109,8 @@
         self._repopulate_pool()
 
         self._worker_handler = threading.Thread(
-            target=Pool._handle_workers,
-            args=(self, )
+            target=Pool._make_shutdown_safe,
+            args=(Pool._handle_workers, self, )
             )
         self._worker_handler.daemon = True
         self._worker_handler._state = RUN
@@ -117,16 +118,16 @@
 
 
         self._task_handler = threading.Thread(
-            target=Pool._handle_tasks,
-            args=(self._taskqueue, self._quick_put, self._outqueue, self._pool)
+            target=Pool._make_shutdown_safe,
+            args=(Pool._handle_tasks, self._taskqueue, self._quick_put, self._outqueue, self._pool)
             )
         self._task_handler.daemon = True
         self._task_handler._state = RUN
         self._task_handler.start()
 
         self._result_handler = threading.Thread(
-            target=Pool._handle_results,
-            args=(self._outqueue, self._quick_get, self._cache)
+            target=Pool._make_shutdown_safe,
+            args=(Pool._handle_results, self._outqueue, self._quick_get, self._cache)
             )
         self._result_handler.daemon = True
         self._result_handler._state = RUN
@@ -265,6 +266,18 @@
         return result
 
     @staticmethod
+    def _make_shutdown_safe(fn, *args, **kwargs):
+        '''
+        Run a method, ignoring any errors raised during interpreter shutdown
+        '''
+        modules = sys.modules
+        try:
+            fn(*args, **kwargs)
+        except:
+            if modules:
+                raise
+
+    @staticmethod
     def _handle_workers(pool):
         while pool._worker_handler._state == RUN and pool._state == RUN:
             pool._maintain_pool()