lib/rbbt/tsv/accessor.rb in rbbt-util-5.14.33 vs lib/rbbt/tsv/accessor.rb in rbbt-util-5.14.34

@@ -1,8 +1,10 @@
 require 'yaml'
 require 'rbbt/annotations'
 require 'rbbt/tsv/dumper'
+require 'set'
+
 module TSV
 
   TSV_SERIALIZER = YAML
   SERIALIZED_NIL = TSV_SERIALIZER.dump nil
 
@@ -599,16 +601,18 @@
     end
     peek
   end
 
   def summary
+
     key = nil
     values = nil
     self.each do |k, v|
       key = k
       values = v
       break
     end
+
     with_unnamed do
       <<-EOF
 Filename = #{Path === filename ? filename.find : (filename || "No filename")}
 Key field = #{key_field || "*No key field*"}
 Fields = #{fields ? Misc.fingerprint(fields) : "*No field info*"}