安装mysqldb时遇到问题

win7 64bit python2.7 mysql5.5在命令中安装mysqldb时，
出现：Traceback (most recent call last):
  File "setup.py", line 15, in <module>
    metadata, options = get_config()
  File "D:\Download\MySQL-python-1.2.3\MySQL-python-1.2.3\setup_windows.py", lin
e 7, in get_config
    serverKey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, options['registry_ke
y'])
WindowsError: [Error 2]应该怎样解决？？？