答案在于我的世界级打字技能。
os4 = os.open('wmic /user:"' + username + '" /password:"' + pword + '" /node:"' + name + 'DATAFILE WHERE Name="%SYSTEMDRIVE%\\program files\\internet explorer\\iexplore.exe" os get Version /format:list').read()
应该是
os4 = os.popen('wmic /user:"' + username + '" /password:"' + pword + '" /node:"' + name + 'DATAFILE WHERE Name="%SYSTEMDRIVE%\\program files\\internet explorer\\iexplore.exe" os get Version /format:list').read()
这么简单,但是……