title: networkx draw graph deprecated message
body: <p>I am trying to draw a graph networkx using python 3.6 with Jupyter notebook and the network package with anaconda. But the graph is not drawing per the documentation, I am just getting a deprecated message.  </p>
  
  <p>CODE: </p>
  
  <pre><code>import networkx as nx
  import csv
  import matplotlib as plt
  
  G = nx.read_pajek('Hi-tech.net')
  
  nx.draw(G) 
  </code></pre>
  
  <p>MESSAGE:</p>
  
  <blockquote>
    <p>MatplotlibDeprecationWarning: pyplot.hold is deprecated.
        Future behavior will be consistent with the long-time default:
        plot commands add elements without first clearing the
        Axes and/or Figure.</p>
  </blockquote>
  
  <pre><code>b = plt.ishold()
  </code></pre>
  
  <p>Future behavior will be consistent with the long-time default:
      plot commands add elements without first clearing the
      Axes and/or Figure.</p>
  
  <pre><code>plt.hold(b)
  </code></pre>
  
  <blockquote>
    <p>warnings.warn("axes.hold is deprecated, will be removed in 3.0")</p>
  </blockquote>