wrong number of arguments (2 for 0)

[kevinansfield]

After installing the gem and adding the switch_user_select call to my layout template I get the following error:

wrong number of arguments (2 for 0)

Layout source:

90:       - if !Rails.env.production?
91:         %small / #{link_to "Admin area", admin_root_path}
92:         = switch_user_select
93: 
94:   %script(src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js")

Trace:

switch_user (0.5.0) lib/switch_user.rb:30:in `block in <module:SwitchUser>'
switch_user (0.5.0) app/helpers/switch_user_helper.rb:33:in `call'
switch_user (0.5.0) app/helpers/switch_user_helper.rb:33:in `available?'
switch_user (0.5.0) app/helpers/switch_user_helper.rb:3:in `switch_user_select'
app/views/layouts/application.html.haml:92:in `_app_views_layouts_application_html_haml___579286700033541313_2192473080_1977928861036260016'

This is with Rails 3.0.1 on Ruby MRI 1.9.2

[flyerhzm]

Please upgrade to 0.5.1 version, it solves the 1.9.2 compatible issue. Thanks.