I just upgraded ruby. Now chef is nt workingHow do I resolve?
:~$ knife cookbook upload environment -E development
/usr/local/lib/ruby/2.0.0/rubygems/dependency.rb:296:in `to_specs': Could not find 'chef' (>= 0) among 8 total gem(s) (Gem::LoadError)
from /usr/local/lib/ruby/2.0.0/rubygems/dependency.rb:307:in `to_spec'
from /usr/local/lib/ruby/2.0.0/rubygems/core_ext/kernel_gem.rb:47:in `gem'
from /usr/local/bin/knife:22:in `<main>'
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