Minor doc typo

chriddyp · chriddyp · commit 83071f23f788 · 2014-05-09T18:32:26.000-04:00
diff --git a/plotly/plotly/plotly.py b/plotly/plotly/plotly.py
@@ -366,7 +366,7 @@ def write(self, data, reconnect_on=(200, '', 408)):
             self._stream.write(jdata, reconnect_on=reconnect_on)
         except AttributeError:
             raise exceptions.PlotlyError("Stream has not been opened yet, "
-                                         "cannot write to a closed connection."
+                                         "cannot write to a closed connection. "
                                          "Call `open()` on the stream to open the stream.")
 
     def close(self):
