n">NLPAutoRegressionConfigs</span>
<span class="lineno">23</span><span class="kn">from</span> <span class="nn">labml_nn.transformers</span> <span class="kn">import</span> <span class="n">Encoder</span><span class="p">,</span> <span class="n">Generator</span><span class="p">,</span> <span class="n">TransformerConfigs</span>
<span class="lineno">24</span><span class="kn">from</span> <span class="nn">labml_nn.transformers.utils</span> <span class="kn">import</span> <span class="n">subsequent_mask</span></pre><