title: Tensorboard libprotobuf.so.23: cannot open shared object file: No such file or directory
body: <p>Hello I want to use tensorboard but I cant start it.
  I am using anaconda on ubunutu and installed it with <code>pip install tensorboard</code>.
  I get this error when I try to start tensorboard with <code>tensorboard --logdir .</code> :</p>
  <pre><code>Traceback (most recent call last):
    File &quot;/home/myhome/anaconda3/bin/tensorboard&quot;, line 5, in &lt;module&gt;
      from tensorboard.main import run_main
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/tensorboard/main.py&quot;, line 43, in &lt;module&gt;
      from tensorboard import default
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/tensorboard/default.py&quot;, line 38, in &lt;module&gt;
      from tensorboard.plugins.audio import audio_plugin
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/tensorboard/plugins/audio/audio_plugin.py&quot;, line 29, in &lt;module&gt;
      from tensorboard.plugins.audio import metadata
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/tensorboard/plugins/audio/metadata.py&quot;, line 21, in &lt;module&gt;
      from tensorboard.compat.proto import summary_pb2
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/tensorboard/compat/proto/summary_pb2.py&quot;, line 8, in &lt;module&gt;
      from google.protobuf import descriptor as _descriptor
    File &quot;/home/myhome/anaconda3/lib/python3.7/site-packages/google/protobuf/descriptor.py&quot;, line 48, in &lt;module&gt;
      from google.protobuf.pyext import _message
  ImportError: libprotobuf.so.23: cannot open shared object file: No such file or directory
  </code></pre>
  <p>I tried out tensorboard version 2.2.0 and the latest version. But on both I get the same error.</p>
  <p>conda-version: 4.9.1</p>