AttributeError: 'NoneType' object has no attribute 'get'

[songkingkong]

hi,all
I install requirementstxt failure.,please help me.
error is this:
reloading plugin requirementstxt.requirements
reloading settings Packages/requirementstxt/requirementstxt.sublime-settings
generating syntax summary
Traceback (most recent call last):
File "requirements in /home/jingang/.config/sublime-text-3/Installed Packages/requirementstxt.sublime-package", line 39, in update_global
AttributeError: 'NoneType' object has no attribute 'get'
Traceback (most recent call last):
File "requirements in /home/jingang/.config/sublime-text-3/Installed Packages/requirementstxt.sublime-package", line 39, in update_global
AttributeError: 'NoneType' object has no attribute 'get'