</span><span class="bp">self</span><span class="p">,</span> <span class="n">dst</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">IO</span><span class="p">],</span> <span class="n">count</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">dtype</span><span class="p">:</span> <span class="n">Type</span><span class="p">,</span> <span class="o">**</span><span class