Pry conflicts with Ruby version

/home/zhenzhen/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/site_ruby/1.8/rubygems/core_ext/kernel_require.rb:135:in ' Gem_original_require ':/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:39:syntax error, Unexpected ': ', expecting ') ' (syntaxerror)
Output.puts Pry.view_clip (value, id:true)
^
/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:43:syntax error, unexpected KDO_BLOCK, Expecting Kend
Default_exception_handler = proc do |output, EXCEPTION, _|
^
/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:43:syntax error, unexpected ' | ', expecting ' = '
/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:84:syntax error, unexpected KDO_BLOCK, Expecting '] '
Proc Do |_, _, _pry_|
^
/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:84:syntax error, unexpected ' | ', expecting ' = '
/home/zhenzhen/.rvm/gems/ruby-1.8.7-p374/gems/pry-0.10.3/lib/pry.rb:87:syntax error, unexpected ', ', expecting $end
from/home/zhenzhen/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/site_ruby/1.8/rubygems/core_ext/kernel_require.rb:135: In ' Require '
From./script/em_chat:9

pry0.10.12 and ruby1.8.7 conflict

Change to a lower version of pry such as 0.9.1

Pry conflicts with Ruby version