Fix NameError

methane · methane · commit 049474ab4464 · 2015-02-05T11:15:30.000+09:00
Fixes (#4)
diff --git a/tornado_mysql/pools.py b/tornado_mysql/pools.py
@@ -112,7 +112,7 @@ def begin(self):
         """
         conn = yield self._get_conn()
         trx = Transaction(self, conn)
-        raise gen.Return(trx)
+        raise Return(trx)
 
 
 class Transaction(object):
