title: "No module named plotly"
body: <p>My problem is very simple. I have installed it with <code>sudo pip3 install plotly</code> but I can't import it. I've already tried to reinstall it without effects. </p>
  
  <pre><code>ImportError                               Traceback (most recent call last)
  &lt;ipython-input-1-9d1f271208ac&gt; in &lt;module&gt;()
  ----&gt; 1 import plotly.plotly as py
        2 import plotly.graph_objs as go
        3 import pandas as pd
        4 from pandas import Series,DataFrame
        5 import numpy as np
  
  ImportError: No module named 'plotly'
  </code></pre>