lass="k">as</span> <span class="nn">F</span>
<span class="kn">from</span> <span class="nn">torch.autograd</span> <span class="k">import</span> <span class="n">Variable</span>

<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">logging</span>

<span class="kn">from</span> <span class="nn">block_zoo.BaseLayer</span> <span class="k">import</span> <span class="n">BaseConf</span>
<span class="kn">from</