cbworkloadgen does not work in windows

Ran cbworkloadgen in windows.
Got these errors.

Traceback (most recent call last):
File "couchstore.pyc", line 29, in <module>
File "ctypes_init.pyc", line 365, in __init_
WindowsError: [Error 126] The specified module could not be found
Traceback (most recent call last):
File "cbworkloadgen", line 8, in <module>
import pump_transfer
File "pump_transfer.pyc", line 319, in <module>
File "pump_sfd.pyc", line 11, in <module>
File "couchstore.pyc", line 32, in <module>
NameError: name 'exit' is not defined