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PS C:\Users\user> & "python" -m pip install -U pylint
Requirement already up-to-date: pylint in c:\python27\lib\site-packages
Requirement already up-to-date: astroid<2.0 in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: mccabe in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: isort>=4.2.5 in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: six in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: singledispatch; python_version < "3.4" in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: configparser; python_version == "2.7" in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: backports.functools-lru-cache; python_version == "2.7" in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: colorama; sys_platform == "win32" in c:\python27\lib\site-packages (from pylint)
Requirement already up-to-date: wrapt in c:\python27\lib\site-packages (from astroid<2.0->pylint)
Requirement already up-to-date: lazy-object-proxy in c:\python27\lib\site-packages (from astroid<2.0->pylint)
Requirement already up-to-date: enum34>=1.1.3; python_version < "3.4" in c:\python27\lib\site-packages (from astroid<2.0->pylint)
PS C:\Users\user>