From ba5b8f14da45b182d29d752ab2ea4000d6416942 Mon Sep 17 00:00:00 2001
From: Richard Bryan <rabryan@lucidsci.com>
Date: Fri, 2 Sep 2016 11:13:44 -0400
Subject: [PATCH] implements plotly.Stream 'connected' property

- Stream.connected was always false before.  Now it
actually returns the state of the underlying connection
---
 plotly/plotly/plotly.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/plotly/plotly/plotly.py b/plotly/plotly/plotly.py
index a1069f8c506..a0243cbe9ec 100644
--- a/plotly/plotly/plotly.py
+++ b/plotly/plotly/plotly.py
@@ -454,7 +454,6 @@ def __init__(self, stream_id):
 
         """
         self.stream_id = stream_id
-        self.connected = False
         self._stream = None
 
     def get_streaming_specs(self):
@@ -500,6 +499,13 @@ def heartbeat(self, reconnect_on=(200, '', 408)):
                 "cannot write to a closed connection. "
                 "Call `open()` on the stream to open the stream."
             )
+   
+    @property
+    def connected(self):
+        if self._stream is None:
+            return False
+
+        return self._stream._isconnected()
 
     def open(self):
         """