title: Problem with using pip instalation of python tools
body: <p>I have problem with using pip in unix. 
  If I download a package, there is no prolbem to install it by :</p>
  
  <pre><code>sudo python setup.py install
  </code></pre>
  
  <p>But if I would like to install it by </p>
  
  <pre><code>pip install "package"
  </code></pre>
  
  <p>I receive error:</p>
  
  <blockquote>
    <p>Could not find a version that satisfies the requirement
    setuptools-scm (from versions: ) No matching distribution found for
    setuptools-scm
    /usr/local/lib/python2.7/dist-packages/pip-19.0.1-py2.7.egg/pip/<em>vendor/urllib3/util/ssl</em>.py:150:
    InsecurePlatformWarning: A true SSLContext object is not available.
    This prevents urllib3 from configuring SSL appropriately and may cause
    certain SSL connections to fail. You can upgrade to a newer version of
    Python to solve this. For more information, see
    <a href="https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings" rel="nofollow noreferrer">https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings</a>
    InsecurePlatformWarning Could not fetch URL
    <a href="https://pypi.org/simple/pip/" rel="nofollow noreferrer">https://pypi.org/simple/pip/</a>: There was a problem confirming the ssl
    certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max
    retries exceeded with url: /simple/pip/ (Caused by
    SSLError(SSLError(1, '_ssl.c:504: error:1407742E:SSL
    routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version'),)) -
    skipping</p>
  </blockquote>
  
  <p>Do you know where could be a problem please?</p>