1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/pool.py b/lib/sqlalchemy/pool.py
index d71f645a6..dd27755c5 100644
--- a/lib/sqlalchemy/pool.py
+++ b/lib/sqlalchemy/pool.py
@@ -197,7 +197,13 @@ class SingletonThreadPool(Pool):
                 # sqlite won't even let you close a conn from a thread that didn't create it
                 pass
             del self._conns[key]
-            
+    
+    def dispose_local(self):
+        try:
+            del self._conns[thread.get_ident()]
+        except KeyError:
+            pass
+                    
     def status(self):
         return "SingletonThreadPool id:%d thread:%d size: %d" % (id(self), thread.get_ident(), len(self._conns))