lib/scaffolder/annotation_locator.rb in scaffolder-annotation-locator-0.1.2 vs lib/scaffolder/annotation_locator.rb in scaffolder-annotation-locator-0.1.4

@@ -49,10 +49,10 @@
 
     super updated_records
   end
 
   def scaffold
-    YAML::ENGINE.yamler = 'syck'
+    YAML::ENGINE.yamler = 'syck' if defined? YAML::ENGINE
     Scaffolder.new(YAML.load(File.read(@scaffold_file)),@sequence_file)
   end
 
   def records
     gff3 = Bio::GFF::GFF3.new(File.read(@gff_file)).records