lass="o">=</span> <span class="n">steem</span><span class="o">.</span><span class="n">Steem</span><span class="p">(</span><span class="n">nodes</span><span class="o">=</span><span class="p">[</span><span class="s">'https://testnet.steem.vc'</span><span class="p">],</span> <span class="n">keys</span><span class="o">=</span><span class="p">[</span><span class="n">wif</span><span class="p">])</span>

<span class="c1">#check valid user
</span><span class="n">userinfo</span> <span class="o">=</span> <span class=