title: cannot import name 'pipline' from 'transformers' (unknown location)
body: <p>I am getting this error when trying following code in the jupyter-lab:</p>
  <pre class="lang-py prettyprint-override"><code>from transformers import pipeline
  </code></pre>
  <p>Amazingly, if I copy that line of code in a <code>code_test.py</code> file, and execute it using <code>python3 code_test.py</code>(both in the terminal and jupyter-lab itself) everything will work fine.</p>
  <p>I am using jupyter-lab and which is configured to use a virtual-env(the one containing transformers module).</p>
  <p>I have searched for similar problems, but none of proposed solutions worked(such as reinstalling the <strong>transformers</strong> module).</p>
  <p><strong>Edited</strong>:</p>
  <p>Output of <code>sys.path</code> in jupyter-lab:</p>
  <pre class="lang-py prettyprint-override"><code>['/Users/{my_username}/{path_to_my_project}/code',
   '/usr/local/Cellar/python/3.7.6_1/Frameworks/Python.framework/Versions/3.7/lib/python37.zip',
   '/usr/local/Cellar/python/3.7.6_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7',
   '/usr/local/Cellar/python/3.7.6_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/lib-dynload',
   '',
   '/Users/{my_username}/Library/Python/3.7/lib/python/site-packages',
   '/usr/local/lib/python3.7/site-packages',
   '/Users/{my_username}/Library/Python/3.7/lib/python/site-packages/IPython/extensions',
   '/Users/{{my_username}/.ipython']
  </code></pre>
  <p>Output of sys.path in <code>code_test.py</code>:</p>
  <pre><code>['/Users/{my_username}/{path_to_my_project}/code',
  '/Library/Frameworks/Python.framework/Versions/3.7/lib/python37.zip',
  '/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7',
  '/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/lib-dynload',
  '/Users/{my_username}/{path_to_my_project}/code/env/lib/python3.7/site-packages']
  </code></pre>