title: I've been trying to install some packages. I used python 3.6 but Now I'm trying python 3.4. Error:
body: <pre><code>C:\Python34&gt;py -3.4 -m pip install logging
  Collecting logging
    Using cached logging-0.4.9.6.tar.gz
      Complete output from command python setup.py egg_info:
      running egg_info
      creating pip-egg-info\logging.egg-info
      writing top-level names to pip-egg-info\logging.egg-info\top_level.txt
      writing dependency_links to pip-egg-info\logging.egg-info\dependency_links.txt
      writing pip-egg-info\logging.egg-info\PKG-INFO
      writing manifest file 'pip-egg-info\logging.egg-info\SOURCES.txt'
      warning: manifest_maker: standard file '-c' not found
  Traceback (most recent call last):
    File "&lt;string&gt;", line 1, in &lt;module&gt;
    File "C:\Users\admin\AppData\Local\Temp\pip-build-n2qiu66i\logging\setup.py", line 13, in &lt;module&gt;
      packages = ["logging"],
    File "C:\Python34\lib\distutils\core.py", line 149, in setup
      dist.run_commands()
    File "C:\Python34\lib\distutils\dist.py", line 955, in run_commands
      self.run_command(cmd)
    File "C:\Python34\lib\distutils\dist.py", line 974, in run_command
      cmd_obj.run()
    File "C:\Python34\lib\site-packages\setuptools\command\egg_info.py", line 163, in run
      self.find_sources()
    File "C:\Python34\lib\site-packages\setuptools\command\egg_info.py", line 186, in find_sources
      mm.run()
    File "C:\Python34\lib\site-packages\setuptools\command\egg_info.py", line 246, in run
      self.add_defaults()
    File "C:\Python34\lib\site-packages\setuptools\command\egg_info.py", line 282, in add_defaults
      sdist.add_defaults(self)
    File "C:\Python34\lib\site-packages\setuptools\command\sdist.py", line 161, in add_defaults
      build_py = self.get_finalized_command('build_py')
    File "C:\Python34\lib\distutils\cmd.py", line 298, in get_finalized_command
      cmd_obj = self.distribution.get_command_obj(command, create)
    File "C:\Python34\lib\distutils\dist.py", line 846, in get_command_obj
      klass = self.get_command_class(command)
    File "C:\Python34\lib\site-packages\setuptools\dist.py", line 363, in get_command_class
      self.cmdclass[command] = cmdclass = ep.load()
    File "C:\Python34\lib\site-packages\pkg_resources.py", line 2029, in load
      entry = __import__(self.module_name, globals(),globals(), ['__name__'])
    File "C:\Python34\lib\site-packages\setuptools\command\build_py.py", line 10, in &lt;module&gt;
      from setuptools.lib2to3_ex import Mixin2to3
    File "C:\Python34\lib\site-packages\setuptools\lib2to3_ex.py", line 12, in &lt;module&gt;
      from lib2to3.refactor import RefactoringTool, get_fixers_from_package
    File "C:\Python34\lib\lib2to3\refactor.py", line 19, in &lt;module&gt;
      import logging
    File "C:\Users\admin\AppData\Local\Temp\pip-build-n2qiu66i\logging\logging\__init__.py", line 618
      raise NotImplementedError, 'emit must be implemented '\
                               ^
  SyntaxError: invalid syntax
  
  ----------------------------------------
  Command "python setup.py egg_info" failed with error code 1 in C:\Users\admin\AppData\Local\Temp\pip-build-n2qiu66i\logging\
  </code></pre>