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<pre>
-$ <code class="userinput">sudo apt-get install python-pip python-dev libattr1-dev libfuse-dev pkg-config</code>
+$ <code class="userinput">sudo apt-get install python-pip python-dev libattr1-dev libfuse-dev pkg-config python-yaml</code>
$ <code class="userinput">sudo pip install arvados-python-client</code>
</pre>
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