title: what is the cause of this error when i try to install PIP?
body: <p>I have downloaded PIP file from some different sources and tried to install it by <code>python get-pip.py</code> command for many times.i get this error every time: </p>
  
  <pre><code>Traceback (most recent call last):   File "get-pip.py", line 21361, in
  &lt;module&gt;
      main()   File "get-pip.py", line 197, in main
      bootstrap(tmpdir=tmpdir)   File "get-pip.py", line 82, in bootstrap
      import pip._internal   File "c:\users\asus\appdata\local\temp\tmpe8xyok\pip.zip\pip\_internal\__ini
  _.py", line 19, in &lt;module&gt;   File "c:\users\asus\appdata\local\temp\tmpe8xyok\pip.zip\pip\_vendor\urllib3
  _init__.py", line 8, in &lt;module&gt;   File "c:\users\asus\appdata\local\temp\tmpe8xyok\pip.zip\pip\_vendor\urllib3
  onnectionpool.py", line 92
      _blocking_errnos = {errno.EAGAIN, errno.EWOULDBLOCK}
                                      ^ SyntaxError: invalid syntax
  </code></pre>
  
  <p><strong>I'm using python 2.6 on Windows 8</strong></p>