t</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">sep</span><span class="p">)]</span>
                            <span class="bp">self</span><span class="o">.</span><span class="n">Database</span><span class="o">.</span><span class="n">append</span><span class="p">([</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">transaction</span> <span class="k">if</span> <span class="n">x</spa