Merge pull request #6497 from SylvainCorlay/_ws_opened

status_started.Kernel was never triggered

IPython/html/static/services/kernels/js/kernel.js

@@ -219,7 +219,7 b' define(['
         var channels = [this.shell_channel, this.iopub_channel, this.stdin_channel];
         for (var i=0; i < channels.length; i++) {
             // if any channel is not ready, don't trigger event.
-            if ( channels[i].readyState == WebSocket.OPEN ) return;
+            if ( channels[i].readyState !== WebSocket.OPEN ) return;
         }
         // all events ready, trigger started event.
         this.events.trigger('status_started.Kernel', {kernel: this});