diff --git a/data/operation_dulce/dataset.zip b/data/operation_dulce/dataset.zip
index 8a562b17..dc0c2cdd 100644
Binary files a/data/operation_dulce/dataset.zip and b/data/operation_dulce/dataset.zip differ
diff --git a/posts/index/overview/index.html b/posts/index/overview/index.html
index c4e6760e..56e7a483 100644
--- a/posts/index/overview/index.html
+++ b/posts/index/overview/index.html
@@ -349,7 +349,7 @@ workflows<span class="token punctuation">:</span> <span class="token builtin">li
 dataset <span class="token operator">=</span> pd<span class="token punctuation">.</span>DataFrame<span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token punctuation">{</span><span class="token string">"col1"</span><span class="token punctuation">:</span> <span class="token number">2</span><span class="token punctuation">,</span> <span class="token string">"col2"</span><span class="token punctuation">:</span> <span class="token number">4</span><span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">{</span><span class="token string">"col1"</span><span class="token punctuation">:</span> <span class="token number">5</span><span class="token punctuation">,</span> <span class="token string">"col2"</span><span class="token punctuation">:</span> <span class="token number">10</span><span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
 outputs <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token punctuation">]</span>
 <span class="token keyword">async</span> <span class="token keyword">for</span> output <span class="token keyword">in</span> <span class="token keyword">await</span> run_pipeline<span class="token punctuation">(</span>dataset<span class="token operator">=</span>dataset<span class="token punctuation">,</span> workflows<span class="token operator">=</span>workflows<span class="token punctuation">)</span><span class="token punctuation">:</span>
-    outputs<span class="token punctuation">.</span>append<span class="token punctuation">(</span>output
+    outputs<span class="token punctuation">.</span>append<span class="token punctuation">(</span>output<span class="token punctuation">)</span>
 pipeline_result <span class="token operator">=</span> outputs<span class="token punctuation">[</span><span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">]</span>
 <span class="token keyword">print</span><span class="token punctuation">(</span>pipeline_result<span class="token punctuation">)</span></code></pre>