Error while installing using pip + Jython 2.7.0 on Windows 8.1

In Windows 8.1 cmd / shell jython -m pip install robotframework-selenium2library leads to this error:

Traceback (most recent call last):
  File "C:\Jython27\Lib\runpy.py", line 151, in _run_module_as_main
    mod_name, loader, code, fname = _get_module_details(mod_name)
  File "C:\Jython27\Lib\runpy.py", line 151, in _run_module_as_main
    mod_name, loader, code, fname = _get_module_details(mod_name)
  File "C:\Jython27\Lib\runpy.py", line 109, in _get_module_details
    return _get_module_details(pkg_main_name)
  File "C:\Jython27\Lib\runpy.py", line 109, in _get_module_details
    return _get_module_details(pkg_main_name)
  File "C:\Jython27\Lib\runpy.py", line 101, in _get_module_details
    loader = get_loader(mod_name)
  File "C:\Jython27\Lib\pkgutil.py", line 478, in get_loader
    return find_loader(fullname)
  File "C:\Jython27\Lib\pkgutil.py", line 488, in find_loader
    for importer in iter_importers(fullname):
  File "C:\Jython27\Lib\pkgutil.py", line 439, in iter_importers
    __import__(pkg)
  File "C:\Jython27\Lib\site-packages\pip\__init__.py", line 10, in <module>
    from pip.util import get_installed_distributions, get_prog
  File "C:\Jython27\Lib\site-packages\pip\util.py", line 17, in <module>
    from pip.locations import (
  File "C:\Jython27\Lib\site-packages\pip\locations.py", line 109, in <module>
    build_prefix = _get_build_prefix()
  File "C:\Jython27\Lib\site-packages\pip\locations.py", line 90, in _get_build_
prefix
    if file_uid != os.geteuid():
AttributeError: 'module' object has no attribute 'geteuid'