lib/ulla/environment_class_hash.rb in ulla-0.9.9 vs lib/ulla/environment_class_hash.rb in ulla-0.9.9.1

@@ -5,10 +5,10 @@
       self.values.group_by { |env| env.label[1..-1] }
     end
 
     def groups_sorted_by_residue_labels
       group_by_non_residue_labels.to_a.sort_by { |env_group|
-        env_group[0].gsub('-', '').split('').map_with_index { |l, i|
+        env_group[0].gsub('-', '').split('').each_with_index.map { |l, i|
           if i < ($env_features.size - 1)
             $env_features[i + 1].labels.index(l)
           else
             $env_features[i + 2 - $env_features.size].labels.index(l)
           end