   refreshVariable: (variableName) ->
     dfd = whenjs.defer()
     @client ?= new ApiClient SettingsHelper.get('apiUrl'), SettingsHelper.get('access_token')
-
     cell = @find('#spark-ide-cloud-variables [data-id=' + variableName + '] td:eq(2)')
     cell.addClass 'loading'
+    cell.text ''
     promise = @client.getVariable SettingsHelper.get('current_core'), variableName
     promise.done (e) =>
       if !!e.ok

    atom.workspaceView.command 'spark-ide:logout', =>
      if @hasParent()
        @detach()

  serialize: ->


    @listVariables()
    @listFunctions()

    # TODO: Stop all watchers when changed core/logged out

    atom.workspaceView.command 'spark-ide:update-core-status', =>
      @listVariables()
      @listFunctions()
