title: Colab error : ModuleNotFoundError: No module named
body: <p>While .py files placed in the same folder at Google Colab I get:</p>
  
  <pre><code>ModuleNotFoundError: No module named filename
  </code></pre>
  
  <p>Although the 'filename' file is in the same folder and imported by:</p>
  
  <pre><code>from filename import *
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/nELVK.png" rel="noreferrer"><img src="https://i.stack.imgur.com/nELVK.png" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/P9BIx.png" rel="noreferrer"><img src="https://i.stack.imgur.com/P9BIx.png" alt="enter image description here"></a></p>
  
  <p>Thanks in advance</p>