rebuild sphinx docs

Author: leewyang

docs/_modules/tensorflowonspark/TFSparkNode.html

@@ -80,7 +80,7 @@ <h1>Source code for tensorflowonspark.TFSparkNode</h1><div class="highlight"><pr
 <span class="sd">    :worker_num: integer identifier for this executor, per ``nodeRDD = sc.parallelize(range(num_executors), num_executors).``</span>
 <span class="sd">    :job_name: TensorFlow job name (e.g. &#39;ps&#39; or &#39;worker&#39;) of this TF node, per cluster_spec.</span>
 <span class="sd">    :task_index: integer rank per job_name, e.g. &quot;worker:0&quot;, &quot;worker:1&quot;, &quot;ps:0&quot;.</span>
-<span class="sd">    :cluster_spec: tf.train.ClusterSpec</span>
+<span class="sd">    :cluster_spec: dictionary for constructing a tf.train.ClusterSpec.</span>
 <span class="sd">    :defaultFS: string representation of default FileSystem, e.g. ``file://`` or ``hdfs://&lt;namenode&gt;:8020/``.</span>
 <span class="sd">    :working_dir: the current working directory for local filesystems, or YARN containers.</span>
 <span class="sd">    :mgr: TFManager instance for this Python worker.</span>