python日志文件不写

Question

...
file_log = 'E:/key.txt'
...
def OnKeyboardEvent(event):
   logging.basicConfig(filename=file_log, level=logging.DEBUG,
                       format='%(message)')
   logging.log(10, chr(event.Ascii))
   return True

我看不到此代码上的错误。该函数不会在该file_log上写