You are are using PIP version 8.0.3, however version 8.1.2 is available. You should consider upgrading V

The error is as follows:
You are are using PIP version 8.0.3, however version 8.1.2 is available. You should consider upgrading via the ' python-m pip install--upgrade pip ' comm and.

System Environment:
Operating system: windows8.1
Python version: 2.7.11, 3.4.4 installed simultaneously
python2.7.11 pip version: 8.0.1, needs to be upgraded to 8.1.2, but the upgrade times are wrong as follows and processed as follows.
python3.4.4 pip version: 8.1.1, need to upgrade to 8.1.2, Direct Upgrade command.

Reason analysis:
Since the previous installation of python2.7.11 and python3.4.4 was installed, a long time ago, the PIP was recently discovered and the PIP was not available.
Py2 Update times the following error.

The last update was a long time ago, and I'm not sure how to deal with it. Online check a lap, and finally finished, now record. The workaround is as follows:

1, download installation get-pip.py download Address: http://pan.baidu.com/s/1hr1XQBi
2, Installation get-pip.py installation command: Py2 C:\Python27\get-pip.py
3, PIP installation success, the following prompts:

4, the PIP after the successful installation, again update the PIP, the command is as follows: py2-m PIP install-u pip
The results are as follows:

5, you can see that the PIP has been upgraded from 8.0.3 to 8.1 1; same 4, upgrade again, get upgraded version 8.1.2:

c:\windows\system32>c:\python27\python2.exe-m pip install-u pip Setuptools

Collecting Pip

Using Cached PIP-8.1.2-PY2.PY3-NONE-ANY.WHL

Collecting Setuptools

Using Cached SETUPTOOLS-24.0.2-PY2.PY3-NONE-ANY.WHL

Installing collected Packages:pip, Setuptools

Found existing Installation:pip 8.0.3

Uninstalling pip-8.0.3:

Successfully uninstalled pip-8.0.3

Rolling back uninstall of PIP

Exception:

Traceback (most recent call last):

File "C:\Python27\lib\pip\basecommand.py", line 209, in main

Status = Self.run (options, args)

File "C:\Python27\lib\pip\commands\install.py", line 317, in run

Prefix=options.prefix_path,

File "C:\Python27\lib\pip\req\req_set.py", line 731, in install

**kwargs

File "C:\Python27\lib\pip\req\req_install.py", line 845, in install

Self.move_wheel_files (Self.source_dir, Root=root, Prefix=prefix)

File "C:\Python27\lib\pip\req\req_install.py", line 1044, in Move_wheel_files

Isolated=self.isolated,

File "C:\Python27\lib\pip\wheel.py", line 460, in Move_wheel_files

Generated.extend (Maker.make (spec))

File "C:\Python27\lib\pip\_vendor\distlib\scripts.py", line 372, in Make

Self._make_script (entry, filenames, options=options)

File "C:\Python27\lib\pip\_vendor\distlib\scripts.py", line 276, in _MAKE_SCRI

Pt

Self._write_script (Scriptnames, shebang, script, filenames, ext)

File "C:\Python27\lib\pip\_vendor\distlib\scripts.py", line 212, in _WRITE_SCR

Ipt

Launcher = self._get_launcher (' t ')

File "C:\Python27\lib\pip\_vendor\distlib\scripts.py", line 351, in _get_launc

Her

result = Finder (distlib_package). Find (name). bytes

Attributeerror: ' Nonetype ' object has no attribute ' bytes '

You are are using PIP version 8.0.3, however version 8.1.2 is available.

You should consider upgrading via the ' python-m pip install--upgrade pip ' comm

and.

C:\windows\system32>py2 C:\Python27\get-pip.py

C:\windows\system32>c:\python27\python2.exe C:\Python27\get-pip.py

Collecting Pip

Using Cached PIP-8.1.2-PY2.PY3-NONE-ANY.WHL

Installing collected Packages:pip

Found existing Installation:pip 8.0.3

Uninstalling pip-8.0.3:

Successfully uninstalled pip-8.0.3

Successfully installed pip-8.0.3

You are are using PIP version 8.0.3, however version 8.1.2 is available.

You should consider upgrading via the ' python-m pip install--upgrade pip ' comm

and.

after installing get-pip.py for the first time, you can see the PIP version successfully installed pip-8.1.1;

c:\windows\system32>py2-m Pip install-u pip

c:\windows\system32>c:\python27\python2.exe-m Pip install-u pip

Collecting Pip

Using Cached PIP-8.1.2-PY2.PY3-NONE-ANY.WHL

Installing collected Packages:pip

Found existing Installation:pip 8.0.3

Uninstalling pip-8.0.3:

Successfully uninstalled pip-8.0.3

Successfully installed pip-8.1.1

You are are using PIP version 8.1.1, however version 8.1.2 is available.

You should consider upgrading via the ' python-m pip install--upgrade pip ' comm

and.

The second run after installing get-pip.py, you can see the PIP version successfully installed pip-8.1.2;

c:\windows\system32>py2-m Pip install-u pip

c:\windows\system32>c:\python27\python2.exe-m Pip install-u pip

Collecting Pip

Using Cached PIP-8.1.2-PY2.PY3-NONE-ANY.WHL

Installing collected Packages:pip

Found existing Installation:pip 8.1.1

Uninstalling pip-8.1.1:

Successfully uninstalled pip-8.1.1

Successfully installed pip-8.1.2

C:\windows\system32>

python3.4.4 pip Upgrade Direct command can be, as follows.