Error:
File "C:\script\cmio.py", in line 25, in <module>
File "C:\script\cmio.py", in line 24, in swig_import_helper
UnboundLocalError: Local variable '_mod' referenced before assignment

# This file was automatically generated by SWIG (http://www.swig.org).
# Version 1.3.39
#
# Do not make changes to this file unless you know what you are doing--modify
# the SWIG interface file instead.
# This file is compatible with both classic and new-style classes.

from sys import version_info
if version_info >= (2,6,0):
    def swig_import_helper():
        from os.path import dirname
        import imp
        fp = None
	_mod = None
        try:
            fp, pathname, description = imp.find_module('_cmio', [dirname(__file__)])
        except ImportError:
            import _cmio
            return _cmio
        if fp is not None:
            try:
                _mod = imp.load_module('_cmio', fp, pathname, description)
            finally:
                fp.close()
                return _mod
    _cmio = swig_import_helper()
    del swig_import_helper
else: