lib/embulk/guess/time_format_guess.rb in embulk-0.4.10 vs lib/embulk/guess/time_format_guess.rb in embulk-0.5.0

@@ -373,10 +373,11 @@
       RegexpPattern.new(StandardPatterns::APACHE_CLF, "%d/%b/%Y:%H:%M:%S %z"),
       RegexpPattern.new(StandardPatterns::ANSI_C_ASCTIME, "%a %b %e %H:%M:%S %Y"),
     ]
 
     def self.guess(texts)
-      texts = Array(texts).select {|text| text != "" }
+      texts = Array(texts).map {|text| text.to_s }
+      texts.reject! {|text| text == "" }
       matches = texts.map do |text|
         PATTERNS.map {|pattern| pattern.match(text) }.compact
       end.flatten
       if matches.empty?
         return nil