title: Pip installation failure using python3 on linux ubuntu
body: <p>I have installed the python3 from source
  Python 3.7.4</p>
  
  <p>I am trying to install the pip, with following failure any idea on this will be very useful.</p>
  
  <p>curl <a href="https://bootstrap.pypa.io/get-pip.py" rel="nofollow noreferrer">https://bootstrap.pypa.io/get-pip.py</a> -o get-pip.py</p>
  
  <p>sudo python3 get-pip.py</p>
  
  <pre><code>Traceback (most recent call last):
    File "get-pip.py", line 22711, in &lt;module&gt;
      main()
    File "get-pip.py", line 198, in main
      bootstrap(tmpdir=tmpdir)
    File "get-pip.py", line 82, in bootstrap
      from pip._internal.cli.main import main as pip_entry_point
  .
  .
  .
  File "&lt;frozen importlib._bootstrap&gt;", line 1161, in _load_backward_compatible
    File "/tmp/tmp7grgb9bt/pip.zip/pip/_vendor/pkg_resources/__init__.py", line 92, in &lt;module&gt;
  RuntimeError: Python 3.5 or later is required
  
  </code></pre>
  
  <p>$> python3 -V</p>
  
  <pre><code>Python 3.7.4
  </code></pre>