title: google colab error importing externe file
body: <p>i am using google colab to do data analysis with python. I want to import a file containing functions that I am using. The file describe_csv is in the current directory.</p>
  <pre><code>import pandas as pd
  import numpy as np
  sample_dir = '/content/drive/MyDrive/Colab Notebooks/TP_flignt'
  from describe_csv import *  # charge describe_csv.py by chunk de 10 000 (10**4)
  describe_csv(sample_dir+&quot;flights.csv&quot;, delimiter=',')
  </code></pre>
  <p>I have this error message:</p>
  <pre><code>ModuleNotFoundError                       Traceback (most recent call last)
  &lt;ipython-input-14-2e41764beaec&gt; in &lt;module&gt;()
  ----&gt; 1 from describe_csv import *  # charge le fichier describe_csv.py par chunk de 10 000 (10**4)
        2 
        3 describe_csv(sample_dir+&quot;flights.csv&quot;, delimiter=',')
  
  ModuleNotFoundError: No module named 'describe_csv'
  </code></pre>