<p dir="auto"><code class="notranslate">iris = sns.load_dataset("iris")</code><br>
<code class="notranslate">sns.pairplot(data=iris, x_vars=['sepal_length', 'petal_length','petal_width'], y_vars=['sepal_width']);</code><br>
<code class="notranslate">sns.pairplot(data=iris, x_vars=['','sepal_length', 'petal_length','petal_width'], y_vars=['sepal_width']);</code><br>
<code class="notranslate">sns.pairplot(data=iris, x_vars=['sepal_length', '', 'petal_length','petal_width'], y_vars=['sepal_width']);</code></p>
<p dir="auto">First plot of pairplot is not being displayed when using multiple variables in [x_vars.]<br>
(<a href="https://github.com/RPunyatoya/Seaborn-Issue/blob/master/Seaborn%200.11.0%20Issue.ipynb">https://github.com/RPunyatoya/Seaborn-Issue/blob/master/Seaborn%200.11.0%20Issue.ipynb</a>)<br>
Also when giving wrong column name such as blank (''), It's not throwing any error instead just displaying empty plot in the 1st place where as getting appropriate error when providing '' as 2nd onward column name.</p>
<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/53420500/93029352-0f172d00-f638-11ea-835b-8e32cca3a8d5.PNG"><img src="https://user-images.githubusercontent.com/53420500/93029352-0f172d00-f638-11ea-835b-8e32cca3a8d5.PNG" alt="Capture" style="max-width: 100%;"></a></p>
<p dir="auto">Thank you..!!</p>
<p dir="auto">Just updated to seaborn 0.11.0 and matplotlib 3.3.1.</p>
<p dir="auto">Run this code:</p>
<div class="highlight highlight-source-python notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="iris = sns.load_dataset(&quot;iris&quot;)
sns.pairplot(data=iris, hue=&quot;species&quot;, y_vars='sepal_width');
sns.pairplot(data=iris, hue=&quot;species&quot;, y_vars='sepal_width', x_vars=['sepal_length', 'petal_length']);"><pre class="notranslate"><span class="pl-s1">iris</span> <span class="pl-c1">=</span> <span class="pl-s1">sns</span>.<span class="pl-en">load_dataset</span>(<span class="pl-s">"iris"</span>)
<span class="pl-s1">sns</span>.<span class="pl-en">pairplot</span>(<span class="pl-s1">data</span><span class="pl-c1">=</span><span class="pl-s1">iris</span>, <span class="pl-s1">hue</span><span class="pl-c1">=</span><span class="pl-s">"species"</span>, <span class="pl-s1">y_vars</span><span class="pl-c1">=</span><span class="pl-s">'sepal_width'</span>);
<span class="pl-s1">sns</span>.<span class="pl-en">pairplot</span>(<span class="pl-s1">data</span><span class="pl-c1">=</span><span class="pl-s1">iris</span>, <span class="pl-s1">hue</span><span class="pl-c1">=</span><span class="pl-s">"species"</span>, <span class="pl-s1">y_vars</span><span class="pl-c1">=</span><span class="pl-s">'sepal_width'</span>, <span class="pl-s1">x_vars</span><span class="pl-c1">=</span>[<span class="pl-s">'sepal_length'</span>, <span class="pl-s">'petal_length'</span>]);</pre></div>
<p dir="auto">And saw it:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/24957288/92593736-438e9000-f2aa-11ea-93ac-3fb7b2c94a68.PNG"><img src="https://user-images.githubusercontent.com/24957288/92593736-438e9000-f2aa-11ea-93ac-3fb7b2c94a68.PNG" alt="screen" style="max-width: 100%;"></a></p>
<p dir="auto">And this problem appeared in all previously created pairplots, that have parameter y_vars</p>