lib/bio/db/fastq.rb in bio-1.4.3.0001 vs lib/bio/db/fastq.rb in bio-1.5.0

@@ -493,10 +493,10 @@
   # One of "fastq-sanger", "fastq-solexa", "fastq-illumina",
   # or nil (when not specified).
   # ---
   # *Returns*:: (String or nil) format name
   def format
-    @format ? @format.name : nil
+    ((defined? @format) && @format) ? @format.name : nil
   end
 
 
   # The meaning of the quality scores.
   # It may be one of :phred, :solexa, or nil.