kage_whq/Tutorial/data/adata_combine_7celltype.h5ad&#39;</span><span class="p">)</span>
<span class="n">adata_com</span><span class="o">.</span><span class="n">obs</span><span class="p">[</span><span class="s1">&#39;sample&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="n">adata_com</span><span class="o">.</span><span class="n">obs</span><span class="p">[</span><span class="s1">&#39;sample&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">astype</span><spa