Merge branch 'master' into dan_stateless

1 files changed, 11 insertions, 0 deletions

diff --git a/external_libs/python/zmq/eventloop/minitornado/concurrent.py b/external_libs/python/zmq/eventloop/minitornado/concurrent.py
new file mode 100644
index 00000000..519b23d5
--- /dev/null
+++ b/external_libs/python/zmq/eventloop/minitornado/concurrent.py
@@ -0,0 +1,11 @@
+"""pyzmq does not ship tornado's futures,
+this just raises informative NotImplementedErrors to avoid having to change too much code.
+"""
+
+class NotImplementedFuture(object):
+    def __init__(self, *args, **kwargs):
+        raise NotImplementedError("pyzmq does not ship tornado's Futures, "
+            "install tornado >= 3.0 for future support."
+        )
+
+Future = TracebackFuture = NotImplementedFuture