lib/weather_fetcher/providers/metar/wunderground.rb in weather_fetcher-0.0.4 vs lib/weather_fetcher/providers/metar/wunderground.rb in weather_fetcher-0.0.5

@@ -8,10 +8,12 @@
       return u
     end
 
     def process(string)
       reg = /<div class=\"textReport\">\s*METAR\s*([^<]*)<\/div>/
-      string = string.scan(reg).first.first
+      _s = string.scan(reg)
+      return nil if _s.size == 0
+      string = _s.first.first
       string.gsub!(/\n/, ' ')
       string.gsub!(/\t/, ' ')
       string.gsub!(/\s{2,}/, ' ')
       string.strip
     end