使用bypy downfile 提示错误：

<E> [15:51:58] Exception occurred:
Exception:
<class 'TypeError'> - downfile() takes from 2 to 3 positional arguments but 5 were given
Stack:
  File "/home/esir/anaconda3/bin/bypy", line 11, in <module>
    load_entry_point('bypy==1.6.4', 'console_scripts', 'bypy')()
  File "/home/esir/anaconda3/lib/python3.6/site-packages/bypy-1.6.4-py3.6.egg/bypy/bypy.py", line 3700, in main
    perr("Exception occurred:\n{}".format(formatex(ex)))
  File "/home/esir/anaconda3/lib/python3.6/site-packages/bypy-1.6.4-py3.6.egg/bypy/util.py", line 73, in formatex
    type(ex), ex, ''.join(traceback.format_stack()))

Abort

原因其实就是文件名有空格，所以解决方案就是使用网页版，修改一下名字就好了