title: Google colaboratory use kaggle, server version 1.5.6 , client version 1.5.4, failed to upgrade
body: <p>I want to use the kaggle API in google colaboratory. The client installed is 1.5.4, the server is 1.5.6. After running install and upgrade kaggle via <code>pip</code>, the system still calls the version 1.5.4</p>
  
  <p>I have tried installing and upgrading with pip the kaggle package. Doesn't work. I tried restarting the session/runtime as well.</p>
  
  <pre><code>!pip install kaggle/pip install kaggle --upgrade
  </code></pre>
  
  <pre><code>Requirement already up-to-date: kaggle in /usr/local/lib/python3.6/dist-packages (1.5.6)
  Requirement already satisfied, skipping upgrade: requests in /usr/local/lib/python3.6/dist-packages (from kaggle) (2.21.0)
  Requirement already satisfied, skipping upgrade: certifi in /usr/local/lib/python3.6/dist-packages (from kaggle) (2019.9.11)
  Requirement already satisfied, skipping upgrade: tqdm in /usr/local/lib/python3.6/dist-packages (from kaggle) (4.28.1)
  Requirement already satisfied, skipping upgrade: python-dateutil in /usr/local/lib/python3.6/dist-packages (from kaggle) (2.6.1)
  Requirement already satisfied, skipping upgrade: python-slugify in /usr/local/lib/python3.6/dist-packages (from kaggle) (4.0.0)
  Requirement already satisfied, skipping upgrade: urllib3&lt;1.25,&gt;=1.21.1 in /usr/local/lib/python3.6/dist-packages (from kaggle) (1.24.3)
  Requirement already satisfied, skipping upgrade: six&gt;=1.10 in /usr/local/lib/python3.6/dist-packages (from kaggle) (1.12.0)
  Requirement already satisfied, skipping upgrade: chardet&lt;3.1.0,&gt;=3.0.2 in /usr/local/lib/python3.6/dist-packages (from requests-&gt;kaggle) (3.0.4)
  Requirement already satisfied, skipping upgrade: idna&lt;2.9,&gt;=2.5 in /usr/local/lib/python3.6/dist-packages (from requests-&gt;kaggle) (2.8)
  Requirement already satisfied, skipping upgrade: text-unidecode&gt;=1.3 in /usr/local/lib/python3.6/dist-packages (from python-slugify-&gt;kaggle) (1.3)
  </code></pre>
  
  <pre><code>!kaggle -v
  </code></pre>
  
  <pre><code>Kaggle API 1.5.4
  </code></pre>