lib/solve/ruby_solver.rb in solve-4.0.3 vs lib/solve/ruby_solver.rb in solve-4.0.4

@@ -1,5 +1,5 @@
-require "set"
+require "set" unless defined?(Set)
 require "molinillo"
 require "molinillo/modules/specification_provider"
 require_relative "solver/serializer"
 
 module Solve