title: Unable to install python extension on code-server
body: <p>I am install vscode using the below commands on ubuntu base image and trying to install python extension and it gets an error.</p>
  <pre><code>ARG IDE_HOME=&quot;/opt&quot;
  ARG CODE_SERVER_VERSION=&quot;v3.11.1&quot;
  ARG CODE_SERVER_FILE=&quot;code-server-3.11.1-linux-amd64.tar.gz&quot;
  WORKDIR $IDE_HOME/code-server/
  RUN wget -qO- https://github.com/cdr/code-server/releases/download/${CODE_SERVER_VERSION}/${CODE_SERVER_FILE} | tar zxvf - --strip-components=1
  ENV PATH=$IDE_HOME/code-server/bin:$PATH
  RUN code-server --install-extension ms-python.python
  </code></pre>
  <p>Error:</p>
  <pre><code>    [2022-03-24T06:01:24.303Z] info  Wrote default config file to ~/.config/code-server/config.yaml
  Installing extensions...
  Server returned 404
  [2022-03-24T06:01:29.030Z] error vscode Failed Installing Extensions: ms-python.python
  [2022-03-24T06:01:29.032Z] error vscode Error: Failed Installing Extensions: ms-python.python
      at L.installExtensions (/opt/code-server/lib/vscode/out/vs/server/entry.js:19:42)
      at processTicksAndRejections (internal/process/task_queues.js:95:5)
      at async /opt/code-server/lib/vscode/out/vs/server/entry.js:41:86115
      at async Object.T [as main] (/opt/code-server/lib/vscode/out/vs/server/entry.js:41:89502)
      at async process.&lt;anonymous&gt; (/opt/code-server/lib/vscode/out/vs/server/entry.js:41:99068)
  The command '/bin/sh -c code-server --install-extension ms-python.python' returned a non-zero code: 1
  </code></pre>