...
-To use the @arv@ command, you can either install the @arvados-cli@ gem via RubyGems or build and install the package from source.
+Arvados CLI tools are written in Ruby and Python. To use the @arv@ command, you can either install the @arvados-cli@ gem via RubyGems or build and install the package from source. The @arv@ command also relies on other Arvados tools, you can either install the @arvados-python-client@ and @arvados-cwl-runner@ from PyPi or install the packages from source.
h3. Prerequisites: Ruby, Bundler, and curl libraries
</pre>
</notextile>
-h3. Option 1: Install with RubyGems
+h3. Option 1: Install from RubyGems and PyPi
<notextile>
<pre>
-$ <code class="userinput">sudo -i gem install arvados-cli</code>
+arvados/sdk/cli$ <code class="userinput">sudo -i gem install arvados-cli</code>
+</pre>
+</notextile>
+
+<notextile>
+<pre>
+arvados/sdk/cli$ <code class="userinput">sudo -i pip install arvados-python-client arvados-cwl-runner</code>
</pre>
</notextile>
$ <code class="userinput">sudo -i gem install arvados-cli-*.gem</code>
</pre>
</notextile>
+
+<notextile>
+<pre>
+$ <code class="userinput">cd arvados/sdk/python</code>
+$ <code class="userinput">sudo -i python setup.py install</code>
+</pre>
+</notextile>
+
+<notextile>
+<pre>
+$ <code class="userinput">cd arvados/sdk/cwl</code>
+$ <code class="userinput">sudo -i python setup.py install</code>
+</pre>
+</notextile>