installer\copy_libs.py crashes if pygments installed as egg

D:\My Documents\qbzr\0.14>python installer\copy_libs.py
*** Copy PyQt4 libs ***
Copy PyQt4 libs from C:\Python25\lib\site-packages
Copying sip.pyd: C:\Python25\lib\site-packages\sip.pyd -> installer\_lib\sip.pyd
Copy minimal set of PyQt4 libs
Creating directory installer\_lib\PyQt4
Copy C:\Python25\lib\site-packages\PyQt4\__init__.py -> installer\_lib\PyQt4\__init__.py
Copy C:\Python25\lib\site-packages\PyQt4\mingwm10.dll -> installer\_lib\PyQt4\mingwm10.dll
Copy C:\Python25\lib\site-packages\PyQt4\Qt.pyd -> installer\_lib\PyQt4\Qt.pyd
Copy C:\Python25\lib\site-packages\PyQt4\QtCore.pyd -> installer\_lib\PyQt4\QtCore.pyd
Copy C:\Python25\lib\site-packages\PyQt4\QtCore4.dll -> installer\_lib\PyQt4\QtCore4.dll
Copy C:\Python25\lib\site-packages\PyQt4\QtGui.pyd -> installer\_lib\PyQt4\QtGui.pyd
Copy C:\Python25\lib\site-packages\PyQt4\QtGui4.dll -> installer\_lib\PyQt4\QtGui4.dll
*** Copy Pygments package ***
Creating directory installer\_lib\pygments-1.0-py2.5.egg\pygments
Traceback (most recent call last):
  File "installer\copy_libs.py", line 149, in <module>
    sys.exit(main())
  File "installer\copy_libs.py", line 142, in main
    copy_pygments()
  File "installer\copy_libs.py", line 94, in copy_pygments
    copy_python_package(pkg)
  File "installer\copy_libs.py", line 84, in copy_python_package
    os.mkdir(dstdir)
WindowsError: [Error 3] The system cannot find the path specified: 'installer\\_lib\\pygments-1.0-py2.5.egg\\pygments'

Once I created 'installer\_lib\pygments-1.0-py2.5.egg\pygments' manually, it worked.