Invalid gemspec

[fbjork]

Got this exception when trying to push to Heroku using the latest gem:

WARNING: #<ArgumentError: Illformed requirement ["#Syck::DefaultKey:0x00000002594708 0.1.1"]>

-- encoding: utf-8 --

Gem::Specification.new do |s|
s.name = %q{qu-redis}
s.version = "0.1.1"

s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
s.authors = ["Brandon Keepers"]
s.date = %q{2011-10-03 00:00:00.000000000Z}
s.description = %q{Redis backend for qu}
s.email = ["brandon@opensoul.org"]
s.files = ["lib/qu-redis.rb", "lib/qu/backend/redis.rb"]
s.homepage = %q{http://github.com/bkeepers/qu}
s.require_paths = ["lib"]
s.rubygems_version = %q{1.3.7}
s.summary = %q{Redis backend for qu}

if s.respond_to? :specification_version then
current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION
s.specification_version = 3

if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
s.add_runtime_dependency(%q, [">= 0"])
s.add_runtime_dependency(%q<simple_uuid>, [">= 0"])
s.add_runtime_dependency(%q, ["#Syck::DefaultKey:0x00000002594708 0.1.1"])
else
s.add_dependency(%q, [">= 0"])
s.add_dependency(%q<simple_uuid>, [">= 0"])
s.add_dependency(%q, ["#Syck::DefaultKey:0x00000002594708 0.1.1"])
end
else
s.add_dependency(%q, [">= 0"])
s.add_dependency(%q<simple_uuid>, [">= 0"])
s.add_dependency(%q, ["#Syck::DefaultKey:0x00000002594708 0.1.1"])
end
end
WARNING: Invalid .gemspec format in 'vendor/bundle/ruby/1.9.1/specifications/qu-redis-0.1.1.gemspec'
Could not find qu-redis-0.1.1 in any of the sources

[bkeepers]

Ah, good ol' yaml. My bad, I generated the 0.1.1 gem with Ruby 1.9, which leads to all kinds of fun. Read more about it here http://blog.rubygems.org/2011/08/31/shaving-the-yaml-yacc.html.

I just pushed 0.1.2, which was generated with Ruby 1.8.