Updated the XPATH query to "/xmlns:worksheet/xmlns:hyperlinks/xmlns:h…

…yperlink[id]" to avoid the previous error "NoMethodError (undefined method `text' for nil:NilClass)"

lib/roo/excelx.rb

@@ -538,8 +538,8 @@ def read_hyperlinks(sheet=nil)
       rels = Hash[rels_doc.xpath("/xmlns:Relationships/xmlns:Relationship").map do |r|
         [r.attribute('Id').text, r]
       end]
-      @sheet_doc[n].xpath("/xmlns:worksheet/xmlns:hyperlinks/xmlns:hyperlink").each do |h|
-        if h.attribute('id') && rel_element = rels[h.attribute('id').text]
+      @sheet_doc[n].xpath("/xmlns:worksheet/xmlns:hyperlinks/xmlns:hyperlink[id]").each do |h|
+        if rel_element = rels[h.attribute('id').text]
           row,col = Roo::Base.split_coordinate(h.attributes['ref'].to_s)
           @hyperlink[sheet] ||= {}
           @hyperlink[sheet][[row,col]] = rel_element.attribute('Target').text