$ pydoc -k TaggedList
Expected Tk Togl installation in /usr/lib64/python2.6/site-packages/OpenGL/Tk/togl-linux2-64
Traceback (most recent call last):
  File "/usr/bin/pydoc", line 5, in <module>
    pydoc.cli()
  File "/usr/lib64/python2.6/pydoc.py", line 2272, in cli
    apropos(val)
  File "/usr/lib64/python2.6/pydoc.py", line 1967, in apropos
    ModuleScanner().run(callback, key)
  File "/usr/lib64/python2.6/pydoc.py", line 1932, in run
    for importer, modname, ispkg in pkgutil.walk_packages(onerror=onerror):
  File "/usr/lib64/python2.6/pkgutil.py", line 125, in walk_packages
    for item in walk_packages(path, name+'.', onerror):
  File "/usr/lib64/python2.6/pkgutil.py", line 110, in walk_packages
    __import__(name)
  File "/usr/lib64/python2.6/site-packages/OpenGL/Tk/__init__.py", line 114, in <module>
    _default_root.tk.call('package', 'require', 'Togl')
_tkinter.TclError: can't find package Togl