pipe-run.rb in pipe-run-0.2.1

- old
+ new

@@ -18,9 +18,13 @@
     # @return [String] command output
     #
 
     def self.run(command, &block)
         if not block.nil?
+            if not self.respond_to? :run_nonblock
+                require "em-pipe-run"
+            end
+            
             return self.run_nonblock(command, &block)
         end
         
         ###
         