Module requests - Help

[OhReflects]

This was outputted when I used the command py vulnx.py -u urlwasputhere

File "E:\Tools\py\Scripts\vulnx-master\vulnx.py", line 17, in
from modules.cli.cli import CLI
File "E:\Tools\py\Scripts\vulnx-master\modules\cli\cli.py", line 7, in
import readline
File "E:\Tools\py\lib\site-packages\readline.py", line 34, in
rl = Readline()
File "E:\Tools\py\lib\site-packages\pyreadline\rlmain.py", line 422, in init
BaseReadline.init(self)
File "E:\Tools\py\lib\site-packages\pyreadline\rlmain.py", line 62, in init
mode.init_editing_mode(None)
File "E:\Tools\py\lib\site-packages\pyreadline\modes\emacs.py", line 633, in init_editing_mode
self._bind_key('space', self.self_insert)
File "E:\Tools\py\lib\site-packages\pyreadline\modes\basemode.py", line 162, in _bind_key
if not callable(func):
File "E:\Tools\py\lib\site-packages\pyreadline\py3k_compat.py", line 8, in callable
return isinstance(x, collections.Callable)
AttributeError: module 'collections' has no attribute 'Callable'