span>lang, preprocess_mode)</span>
</code></dt>
<dd>
<div class="desc"><pre><code>check for unsupported language (e.g., nospace langs not supported by Jieba)
</code></pre></div>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def check_unsupported_lang(lang, preprocess_mode):
    &#34;&#34;&#34;
    ```
    check for unsupported language (e.g., nospace langs not supported by Jieba)
    ```
    &#34;&#34;&#34;
    unsupported = (
        preprocess_mode