lib/imgkit/imgkit.rb in imgkit-1.1.0 vs lib/imgkit/imgkit.rb in imgkit-1.2.0

@@ -65,10 +65,10 @@
   def to_img
     append_stylesheets
 
     result = nil
     stderr_output = nil
-    Open4.popen4(*command) do |pid,stdin,stdout,stderr|
+    Open3.popen3(*command) do |stdin,stdout,stderr|
       stdin << (@source.to_s) if @source.html?
       stdin.close
       result = stdout.gets(nil)
       stderr_output = stderr.readlines.join
       stdout.close