Merge pull request #116 from pusher/tornado-future-rename

Use tornado.concurrent.Future instead of tornado.concurrent.Traceback.Future

Author: WillSewell

pusher/tornado.py

@@ -10,7 +10,7 @@
 import tornado
 import tornado.httpclient
 
-from tornado.concurrent import TracebackFuture
+from tornado.concurrent import Future
 
 from pusher.http import process_response
 
@@ -30,13 +30,10 @@ def send_request(self, request):
         method = request.method
         data = request.body
         headers = {'Content-Type': 'application/json'}
-        future = TracebackFuture()
+        future = Future()
 
         def process_response_future(response):
-            if response.exc_info() is not None:
-                future.set_exc_info(response.exc_info())
-
-            elif response.exception() is not None:
+            if response.exception() is not None:
                 future.set_exception(response.exception())
 
             else:

setup.py

@@ -47,7 +47,7 @@
 
     extras_require={
         'aiohttp': ['aiohttp>=0.20.0'],
-        'tornado': ['tornado>=4.0.0']
+        'tornado': ['tornado>=5.0.0']
     },
 
     package_data={