运行Spree Commerce 2.2。
我正在尝试运行名为datashift_spree的扩展程序。它安装正确，但不会执行
在我的Gemfile中：
gem'datashift'，github：'autotelik / datashift'
gem'datashift_spree'，github：'autotelik / datashift_spree'
跑步时 bundle exec thor datashift_spree：load：attach_images --input = / vagrant / imageimport / import.xls
我收到错误：
/var/lib/gems/1.9.1/gems/datashift_spree-0.5.0/lib/loaders/spree/image_loader.rb:19:in <module:SpreeHelper>': uninitialized constant DataShift::SpreeHelper::SpreeBaseLoader (NameError)
from /var/lib/gems/1.9.1/gems/datashift_spree-0.5.0/lib/loaders/spree/image_loader.rb:10:in'
from /var/lib/gems/1.9.1/gems/datashift_spree-0.5.0/lib/loaders/spree/image_loader.rb:8:in <top (required)>'
from /var/lib/gems/1.9.1/gems/polyglot-0.3.5/lib/polyglot.rb:65:in require'
来自/var/lib/gems/1.9.1/gems/polyglot-0.3.5/lib/polyglot.rb:65:in require'
from /var/lib/gems/1.9.1/gems/datashift_spree-0.5.0/lib/thor/spree/products_images.thor:77:in attach_images'
来自/var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/command.rb:27:in run'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/invocation.rb:126:in invoke_command'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor.rb:359:in dispatch'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/base.rb:440:in start'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/runner.rb:36:in method_missing'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/command.rb:29:in run'
来自/var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/command.rb:126:in run'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/invocation.rb:126:in invoke_command'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor.rb:359:in dispatch'
from /var/lib/gems/1.9.1/gems/thor-0.19.1/lib/thor/base.rb:440:in start'
来自/var/lib/gems/1.9.1/gems/thor-0.19.1/bin/thor:6:in <top (required)>'
from /usr/local/bin/thor:23:in load'
来自/ usr / local / bin / thor：23：in''
有什么想法吗？